tools/testing/selftests/arm64/tags/.gitignore: warning: ignored by one of the .gitignore files tools/testing/selftests/arm64/tags/Makefile: warning: ignored by one of the .gitignore files tools/testing/selftests/arm64/tags/tags_test.c: warning: ignored by one of the .gitignore files ../drivers/phy/broadcom/phy-bcm-ns-usb3.c:206:17: warning: cast to smaller integer type 'enum bcm_ns_family' from 'const void *' [-Wvoid-pointer-to-enum-cast] 206 | usb3->family = (enum bcm_ns_family)device_get_match_data(dev); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. ../net/ipv4/tcp_output.c:187:3: warning: result of comparison of constant -1 with expression of type 'u8' (aka 'unsigned char') is always false [-Wtautological-constant-out-of-range-compare] 187 | NET_ADD_STATS(sock_net(sk), LINUX_MIB_TCPACKCOMPRESSED, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 188 | tp->compressed_ack); | ~~~~~~~~~~~~~~~~~~~ ../include/net/ip.h:306:41: note: expanded from macro 'NET_ADD_STATS' 306 | #define NET_ADD_STATS(net, field, adnd) SNMP_ADD_STATS((net)->mib.net_statistics, field, adnd) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../include/net/snmp.h:143:4: note: expanded from macro 'SNMP_ADD_STATS' 143 | this_cpu_add(mib->mibs[field], addend) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../include/linux/percpu-defs.h:497:33: note: expanded from macro 'this_cpu_add' 497 | #define this_cpu_add(pcp, val) __pcpu_size_call(this_cpu_add_, pcp, val) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) :75:1: note: expanded from here 75 | this_cpu_add_8 | ^ ../arch/x86/include/asm/percpu.h:558:36: note: expanded from macro 'this_cpu_add_8' 558 | #define this_cpu_add_8(pcp, val) percpu_add_op(8, volatile, (pcp), val) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../arch/x86/include/asm/percpu.h:238:31: note: expanded from macro 'percpu_add_op' 238 | ((val) == 1 || (val) == -1)) ? \ | ~~~~~ ^ ~~ 1 warning generated. ../kernel/sched/core.c:6378:1: warning: unused function 'class_core_lock_lock_ptr' [-Wunused-function] 6378 | DEFINE_LOCK_GUARD_1(core_lock, int, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6379 | sched_core_lock(*_T->lock, &_T->flags), | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6380 | sched_core_unlock(*_T->lock, &_T->flags), | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6381 | unsigned long flags) | ~~~~~~~~~~~~~~~~~~~~ ../include/linux/cleanup.h:371:65: note: expanded from macro 'DEFINE_LOCK_GUARD_1' 371 | #define DEFINE_LOCK_GUARD_1(_name, _type, _lock, _unlock, ...) \ | ^ 372 | __DEFINE_UNLOCK_GUARD(_name, _type, _unlock, __VA_ARGS__) \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../include/linux/cleanup.h:348:21: note: expanded from macro '\ __DEFINE_UNLOCK_GUARD' 348 | static inline void *class_##_name##_lock_ptr(class_##_name##_t *_T) \ | ^~~~~~~~~~~~~~~~~~~~~~~~ :4:1: note: expanded from here 4 | class_core_lock_lock_ptr | ^~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. In file included from ../drivers/nfc/pn533/pn533.c:9: In file included from ../include/linux/device.h:15: In file included from ../include/linux/dev_printk.h:16: In file included from ../include/linux/ratelimit.h:6: In file included from ../include/linux/sched.h:13: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../drivers/block/rbd.c:6093:17: warning: result of comparison of constant 2305843009213693948 with expression of type 'u32' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] 6093 | if (snap_count > (SIZE_MAX - sizeof (struct ceph_snap_context)) | ~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6094 | / sizeof (u64)) { | ~~~~~~~~~~~~~~ 1 warning generated. ../drivers/net/ethernet/8390/pcnet_cs.c:1169:9: warning: variable 'xfer_count' set but not used [-Wunused-but-set-variable] 1169 | int xfer_count = count; | ^ 1 warning generated. ../drivers/block/drbd/drbd_bitmap.c:1220: warning: Function parameter or struct member 'peer_device' not described in 'drbd_bm_read' ../drivers/block/drbd/drbd_bitmap.c:1232: warning: Function parameter or struct member 'peer_device' not described in 'drbd_bm_write' ../drivers/block/drbd/drbd_bitmap.c:1244: warning: Function parameter or struct member 'peer_device' not described in 'drbd_bm_write_all' ../drivers/block/drbd/drbd_bitmap.c:1271: warning: Function parameter or struct member 'peer_device' not described in 'drbd_bm_write_copy_pages' In file included from ../drivers/net/ethernet/broadcom/b44.c:17: In file included from ../include/linux/module.h:13: In file included from ../include/linux/stat.h:19: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. In file included from ../drivers/scsi/qla2xxx/qla_init.c:6: In file included from ../drivers/scsi/qla2xxx/qla_def.h:12: In file included from ../include/linux/module.h:13: In file included from ../include/linux/stat.h:19: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../drivers/scsi/qla2xxx/qla_isr.c:3891: warning: Function parameter or struct member 'rsp_q_in' not described in 'qla_chk_cont_iocb_avail' ../drivers/scsi/lpfc/lpfc_bsg.c:2806:11: warning: variable 'offset' set but not used [-Wunused-but-set-variable] 2806 | int cnt, offset = 0, i = 0; | ^ 1 warning generated. ../net/ceph/osdmap.c:1441:10: warning: result of comparison of constant 4611686018427387891 with expression of type 'u32' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] 1441 | if (len > (SIZE_MAX - sizeof(*pg)) / sizeof(u32)) | ~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../net/ceph/osdmap.c:1624:10: warning: result of comparison of constant 2305843009213693945 with expression of type 'u32' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] 1624 | if (len > (SIZE_MAX - sizeof(*pg)) / (2 * sizeof(u32))) | ~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2 warnings generated. In file included from ../drivers/net/ethernet/huawei/hinic/hinic_ethtool.c:17: In file included from ../include/linux/pci.h:27: In file included from ../include/linux/mod_devicetable.h:14: In file included from ../include/linux/uuid.h:11: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. In file included from ../drivers/staging/rtl8723bs/core/rtw_security.c:8: In file included from ../drivers/staging/rtl8723bs/include/drv_types.h:17: In file included from ../include/linux/sched/signal.h:5: In file included from ../include/linux/rculist.h:11: In file included from ../include/linux/rcupdate.h:26: In file included from ../include/linux/irqflags.h:18: In file included from ../arch/x86/include/asm/irqflags.h:80: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. In file included from ../drivers/scsi/bnx2i/bnx2i_hwi.c:17: In file included from ../include/linux/gfp.h:7: In file included from ../include/linux/mmzone.h:8: In file included from ../include/linux/spinlock.h:59: In file included from ../include/linux/irqflags.h:18: In file included from ../arch/x86/include/asm/irqflags.h:80: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../drivers/staging/rtl8723bs/core/rtw_xmit.c:1937:13: warning: variable 'drop_cnt' set but not used [-Wunused-but-set-variable] 1937 | static u32 drop_cnt; | ^ In file included from ../drivers/staging/rtl8723bs/core/rtw_xmit.c:7: In file included from ../drivers/staging/rtl8723bs/include/drv_types.h:17: In file included from ../include/linux/sched/signal.h:5: In file included from ../include/linux/rculist.h:11: In file included from ../include/linux/rcupdate.h:26: In file included from ../include/linux/irqflags.h:18: In file included from ../arch/x86/include/asm/irqflags.h:80: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 2 warnings generated. In file included from ../drivers/net/ethernet/myricom/myri10ge/myri10ge.c:43: In file included from ../include/linux/tcp.h:17: In file included from ../include/linux/skbuff.h:15: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 2 warnings generated. ../drivers/net/ethernet/natsemi/ns83820.c:1704:6: warning: variable 'loops' set but not used [-Wunused-but-set-variable] 1704 | int loops = 0; | ^ 1 warning generated. ../drivers/staging/rtl8723bs/hal/hal_com.c:963:6: warning: variable 'res' set but not used [-Wunused-but-set-variable] 963 | u32 res, i = 0; | ^ 1 warning generated. In file included from ../drivers/net/ethernet/intel/ixgbevf/ethtool.c:9: In file included from ../include/linux/module.h:13: In file included from ../include/linux/stat.h:19: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../scripts/Makefile.build:229: ../drivers/net/ethernet/freescale/dpaa2/Makefile: dpaa2-mac.o is added to multiple modules: fsl-dpaa2-eth fsl-dpaa2-switch In file included from ../drivers/net/ethernet/intel/igc/igc_ethtool.c:5: In file included from ../include/linux/if_vlan.h:10: In file included from ../include/linux/netdevice.h:24: In file included from ../include/linux/timer.h:6: In file included from ../include/linux/ktime.h:25: In file included from ../include/linux/jiffies.h:10: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../drivers/net/ethernet/ni/nixge.c:1271:12: warning: cast to smaller integer type 'enum nixge_version' from 'const void *' [-Wvoid-pointer-to-enum-cast] 1271 | version = (enum nixge_version)of_id->data; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. ../net/ipv4/tcp_lp.c:122: warning: Function parameter or struct member 'ack' not described in 'tcp_lp_cong_avoid' ../net/ipv4/tcp_lp.c:122: warning: Function parameter or struct member 'acked' not described in 'tcp_lp_cong_avoid' ../net/ipv4/tcp_lp.c:272: warning: Function parameter or struct member 'sample' not described in 'tcp_lp_pkts_acked' ../fs/ceph/snap.c:377:10: warning: result of comparison of constant 2305843009213693948 with expression of type 'u32' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] 377 | if (num > (SIZE_MAX - sizeof(*snapc)) / sizeof(u64)) | ~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. In file included from ../drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c:8: In file included from ../drivers/net/ethernet/qlogic/qlcnic/qlcnic.h:10: In file included from ../include/linux/module.h:13: In file included from ../include/linux/stat.h:19: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. In file included from ../drivers/net/ethernet/tehuti/tehuti.c:63: In file included from ../drivers/net/ethernet/tehuti/tehuti.h:10: In file included from ../include/linux/module.h:13: In file included from ../include/linux/stat.h:19: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../drivers/net/caif/caif_serial.c:130:20: warning: unused function 'debugfs_tx' [-Wunused-function] 130 | static inline void debugfs_tx(struct ser_device *ser, const u8 *data, int size) | ^~~~~~~~~~ 1 warning generated. ../drivers/net/ethernet/sun/niu.c:4650:6: warning: variable 'val' set but not used [-Wunused-but-set-variable] 4650 | u64 val; | ^ 1 warning generated. ../drivers/net/ethernet/sfc/ptp.c:205: warning: Excess struct member 'valid' description in 'efx_ptp_timeset' ../drivers/net/ethernet/ti/tlan.c:2072:7: warning: variable 'def_tx' set but not used [-Wunused-but-set-variable] 2072 | u32 def_tx, crc, code; | ^ 1 warning generated. In file included from ../drivers/net/ethernet/via/via-velocity.c:37: In file included from ../include/linux/module.h:13: In file included from ../include/linux/stat.h:19: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../scripts/Makefile.build:229: ../drivers/net/ethernet/ti/Makefile: cpsw_ale.o is added to multiple modules: ti_cpsw ti_cpsw_new ../scripts/Makefile.build:229: ../drivers/net/ethernet/ti/Makefile: cpsw_priv.o is added to multiple modules: ti_cpsw ti_cpsw_new ../scripts/Makefile.build:229: ../drivers/net/ethernet/ti/Makefile: cpsw_ethtool.o is added to multiple modules: ti_cpsw ti_cpsw_new ../drivers/most/most_usb.c:69: warning: Function parameter or struct member 'dev' not described in 'most_dci_obj' ../drivers/most/most_usb.c:69: warning: Excess struct member 'kobj' description in 'most_dci_obj' ../drivers/most/most_usb.c:122: warning: Function parameter or struct member 'dev' not described in 'most_dev' ../drivers/most/most_usb.c:122: warning: Function parameter or struct member 'clear_work' not described in 'most_dev' ../drivers/most/most_usb.c:122: warning: Function parameter or struct member 'on_netinfo' not described in 'most_dev' ../drivers/most/most_usb.c:650: warning: Function parameter or struct member 'on_netinfo' not described in 'hdm_request_netinfo' ../drivers/net/ethernet/apm/xgene/xgene_enet_main.c:2041:19: warning: cast to smaller integer type 'enum xgene_enet_id' from 'const void *' [-Wvoid-pointer-to-enum-cast] 2041 | pdata->enet_id = (enum xgene_enet_id)device_get_match_data(&pdev->dev); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. ../drivers/net/ethernet/sfc/siena/ptp.c:208: warning: Excess struct member 'valid' description in 'efx_ptp_timeset' tools/testing/selftests/arm64/tags/.gitignore: warning: ignored by one of the .gitignore files tools/testing/selftests/arm64/tags/Makefile: warning: ignored by one of the .gitignore files tools/testing/selftests/arm64/tags/tags_test.c: warning: ignored by one of the .gitignore files ../drivers/phy/broadcom/phy-bcm-ns-usb3.c:206:17: warning: cast to smaller integer type 'enum bcm_ns_family' from 'const void *' [-Wvoid-pointer-to-enum-cast] 206 | usb3->family = (enum bcm_ns_family)device_get_match_data(dev); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. ../net/ipv4/tcp_output.c:187:3: warning: result of comparison of constant -1 with expression of type 'u8' (aka 'unsigned char') is always false [-Wtautological-constant-out-of-range-compare] 187 | NET_ADD_STATS(sock_net(sk), LINUX_MIB_TCPACKCOMPRESSED, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 188 | tp->compressed_ack); | ~~~~~~~~~~~~~~~~~~~ ../include/net/ip.h:306:41: note: expanded from macro 'NET_ADD_STATS' 306 | #define NET_ADD_STATS(net, field, adnd) SNMP_ADD_STATS((net)->mib.net_statistics, field, adnd) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../include/net/snmp.h:143:4: note: expanded from macro 'SNMP_ADD_STATS' 143 | this_cpu_add(mib->mibs[field], addend) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../include/linux/percpu-defs.h:497:33: note: expanded from macro 'this_cpu_add' 497 | #define this_cpu_add(pcp, val) __pcpu_size_call(this_cpu_add_, pcp, val) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) :75:1: note: expanded from here 75 | this_cpu_add_8 | ^ ../arch/x86/include/asm/percpu.h:558:36: note: expanded from macro 'this_cpu_add_8' 558 | #define this_cpu_add_8(pcp, val) percpu_add_op(8, volatile, (pcp), val) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../arch/x86/include/asm/percpu.h:238:31: note: expanded from macro 'percpu_add_op' 238 | ((val) == 1 || (val) == -1)) ? \ | ~~~~~ ^ ~~ 1 warning generated. ../drivers/block/rbd.c:6093:17: warning: result of comparison of constant 2305843009213693948 with expression of type 'u32' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] 6093 | if (snap_count > (SIZE_MAX - sizeof (struct ceph_snap_context)) | ~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6094 | / sizeof (u64)) { | ~~~~~~~~~~~~~~ 1 warning generated. In file included from ../drivers/nfc/pn533/pn533.c:9: In file included from ../include/linux/device.h:15: In file included from ../include/linux/dev_printk.h:16: In file included from ../include/linux/ratelimit.h:6: In file included from ../include/linux/sched.h:13: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../drivers/block/drbd/drbd_bitmap.c:1220: warning: Function parameter or struct member 'peer_device' not described in 'drbd_bm_read' ../drivers/block/drbd/drbd_bitmap.c:1232: warning: Function parameter or struct member 'peer_device' not described in 'drbd_bm_write' ../drivers/block/drbd/drbd_bitmap.c:1244: warning: Function parameter or struct member 'peer_device' not described in 'drbd_bm_write_all' ../drivers/block/drbd/drbd_bitmap.c:1271: warning: Function parameter or struct member 'peer_device' not described in 'drbd_bm_write_copy_pages' ../kernel/sched/core.c:6378:1: warning: unused function 'class_core_lock_lock_ptr' [-Wunused-function] 6378 | DEFINE_LOCK_GUARD_1(core_lock, int, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6379 | sched_core_lock(*_T->lock, &_T->flags), | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6380 | sched_core_unlock(*_T->lock, &_T->flags), | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6381 | unsigned long flags) | ~~~~~~~~~~~~~~~~~~~~ ../include/linux/cleanup.h:371:65: note: expanded from macro 'DEFINE_LOCK_GUARD_1' 371 | #define DEFINE_LOCK_GUARD_1(_name, _type, _lock, _unlock, ...) \ | ^ 372 | __DEFINE_UNLOCK_GUARD(_name, _type, _unlock, __VA_ARGS__) \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../include/linux/cleanup.h:348:21: note: expanded from macro '\ __DEFINE_UNLOCK_GUARD' 348 | static inline void *class_##_name##_lock_ptr(class_##_name##_t *_T) \ | ^~~~~~~~~~~~~~~~~~~~~~~~ :4:1: note: expanded from here 4 | class_core_lock_lock_ptr | ^~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. drivers/nvme/target/nvmet.o: warning: objtool: nvmet_ctrl_state_show() falls through to next function __cfi_nvmet_ctrl_host_traddr_open() ../drivers/net/ethernet/8390/pcnet_cs.c:1169:9: warning: variable 'xfer_count' set but not used [-Wunused-but-set-variable] 1169 | int xfer_count = count; | ^ 1 warning generated. In file included from ../drivers/scsi/qla2xxx/qla_init.c:6: In file included from ../drivers/scsi/qla2xxx/qla_def.h:12: In file included from ../include/linux/module.h:13: In file included from ../include/linux/stat.h:19: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../drivers/scsi/qla2xxx/qla_isr.c:3891: warning: Function parameter or struct member 'rsp_q_in' not described in 'qla_chk_cont_iocb_avail' In file included from ../drivers/net/ethernet/broadcom/b44.c:17: In file included from ../include/linux/module.h:13: In file included from ../include/linux/stat.h:19: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../drivers/scsi/lpfc/lpfc_bsg.c:2806:11: warning: variable 'offset' set but not used [-Wunused-but-set-variable] 2806 | int cnt, offset = 0, i = 0; | ^ 1 warning generated. ../net/ceph/osdmap.c:1441:10: warning: result of comparison of constant 4611686018427387891 with expression of type 'u32' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] 1441 | if (len > (SIZE_MAX - sizeof(*pg)) / sizeof(u32)) | ~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../net/ceph/osdmap.c:1624:10: warning: result of comparison of constant 2305843009213693945 with expression of type 'u32' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] 1624 | if (len > (SIZE_MAX - sizeof(*pg)) / (2 * sizeof(u32))) | ~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2 warnings generated. In file included from ../drivers/scsi/bnx2i/bnx2i_hwi.c:17: In file included from ../include/linux/gfp.h:7: In file included from ../include/linux/mmzone.h:8: In file included from ../include/linux/spinlock.h:59: In file included from ../include/linux/irqflags.h:18: In file included from ../arch/x86/include/asm/irqflags.h:80: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. In file included from ../drivers/staging/rtl8723bs/core/rtw_security.c:8: In file included from ../drivers/staging/rtl8723bs/include/drv_types.h:17: In file included from ../include/linux/sched/signal.h:5: In file included from ../include/linux/rculist.h:11: In file included from ../include/linux/rcupdate.h:26: In file included from ../include/linux/irqflags.h:18: In file included from ../arch/x86/include/asm/irqflags.h:80: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../drivers/staging/rtl8723bs/core/rtw_xmit.c:1937:13: warning: variable 'drop_cnt' set but not used [-Wunused-but-set-variable] 1937 | static u32 drop_cnt; | ^ In file included from ../drivers/staging/rtl8723bs/core/rtw_xmit.c:7: In file included from ../drivers/staging/rtl8723bs/include/drv_types.h:17: In file included from ../include/linux/sched/signal.h:5: In file included from ../include/linux/rculist.h:11: In file included from ../include/linux/rcupdate.h:26: In file included from ../include/linux/irqflags.h:18: In file included from ../arch/x86/include/asm/irqflags.h:80: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 2 warnings generated. ../drivers/staging/rtl8723bs/hal/hal_com.c:963:6: warning: variable 'res' set but not used [-Wunused-but-set-variable] 963 | u32 res, i = 0; | ^ 1 warning generated. ../scripts/Makefile.build:229: ../drivers/net/ethernet/freescale/dpaa2/Makefile: dpaa2-mac.o is added to multiple modules: fsl-dpaa2-eth fsl-dpaa2-switch In file included from ../drivers/net/ethernet/huawei/hinic/hinic_ethtool.c:17: In file included from ../include/linux/pci.h:27: In file included from ../include/linux/mod_devicetable.h:14: In file included from ../include/linux/uuid.h:11: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../fs/ceph/snap.c:377:10: warning: result of comparison of constant 2305843009213693948 with expression of type 'u32' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] 377 | if (num > (SIZE_MAX - sizeof(*snapc)) / sizeof(u64)) | ~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. In file included from ../drivers/net/ethernet/intel/ixgbevf/ethtool.c:9: In file included from ../include/linux/module.h:13: In file included from ../include/linux/stat.h:19: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. In file included from ../drivers/net/ethernet/intel/igc/igc_ethtool.c:5: In file included from ../include/linux/if_vlan.h:10: In file included from ../include/linux/netdevice.h:24: In file included from ../include/linux/timer.h:6: In file included from ../include/linux/ktime.h:25: In file included from ../include/linux/jiffies.h:10: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. In file included from ../drivers/net/ethernet/myricom/myri10ge/myri10ge.c:43: In file included from ../include/linux/tcp.h:17: In file included from ../include/linux/skbuff.h:15: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 2 warnings generated. ../drivers/net/ethernet/natsemi/ns83820.c:1704:6: warning: variable 'loops' set but not used [-Wunused-but-set-variable] 1704 | int loops = 0; | ^ 1 warning generated. ../net/ipv4/tcp_lp.c:122: warning: Function parameter or struct member 'ack' not described in 'tcp_lp_cong_avoid' ../net/ipv4/tcp_lp.c:122: warning: Function parameter or struct member 'acked' not described in 'tcp_lp_cong_avoid' ../net/ipv4/tcp_lp.c:272: warning: Function parameter or struct member 'sample' not described in 'tcp_lp_pkts_acked' ../drivers/net/ethernet/ni/nixge.c:1271:12: warning: cast to smaller integer type 'enum nixge_version' from 'const void *' [-Wvoid-pointer-to-enum-cast] 1271 | version = (enum nixge_version)of_id->data; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. ../drivers/net/caif/caif_serial.c:130:20: warning: unused function 'debugfs_tx' [-Wunused-function] 130 | static inline void debugfs_tx(struct ser_device *ser, const u8 *data, int size) | ^~~~~~~~~~ 1 warning generated. In file included from ../drivers/net/ethernet/tehuti/tehuti.c:63: In file included from ../drivers/net/ethernet/tehuti/tehuti.h:10: In file included from ../include/linux/module.h:13: In file included from ../include/linux/stat.h:19: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. In file included from ../drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c:8: In file included from ../drivers/net/ethernet/qlogic/qlcnic/qlcnic.h:10: In file included from ../include/linux/module.h:13: In file included from ../include/linux/stat.h:19: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../drivers/net/ethernet/sun/niu.c:4650:6: warning: variable 'val' set but not used [-Wunused-but-set-variable] 4650 | u64 val; | ^ 1 warning generated. ../drivers/net/ethernet/ti/tlan.c:2072:7: warning: variable 'def_tx' set but not used [-Wunused-but-set-variable] 2072 | u32 def_tx, crc, code; | ^ 1 warning generated. In file included from ../drivers/net/ethernet/via/via-velocity.c:37: In file included from ../include/linux/module.h:13: In file included from ../include/linux/stat.h:19: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../drivers/net/ethernet/sfc/ptp.c:205: warning: Excess struct member 'valid' description in 'efx_ptp_timeset' ../scripts/Makefile.build:229: ../drivers/net/ethernet/ti/Makefile: cpsw_ale.o is added to multiple modules: ti_cpsw ti_cpsw_new ../scripts/Makefile.build:229: ../drivers/net/ethernet/ti/Makefile: cpsw_priv.o is added to multiple modules: ti_cpsw ti_cpsw_new ../scripts/Makefile.build:229: ../drivers/net/ethernet/ti/Makefile: cpsw_ethtool.o is added to multiple modules: ti_cpsw ti_cpsw_new ../drivers/most/most_usb.c:69: warning: Function parameter or struct member 'dev' not described in 'most_dci_obj' ../drivers/most/most_usb.c:69: warning: Excess struct member 'kobj' description in 'most_dci_obj' ../drivers/most/most_usb.c:122: warning: Function parameter or struct member 'dev' not described in 'most_dev' ../drivers/most/most_usb.c:122: warning: Function parameter or struct member 'clear_work' not described in 'most_dev' ../drivers/most/most_usb.c:122: warning: Function parameter or struct member 'on_netinfo' not described in 'most_dev' ../drivers/most/most_usb.c:650: warning: Function parameter or struct member 'on_netinfo' not described in 'hdm_request_netinfo' ../drivers/net/ethernet/apm/xgene/xgene_enet_main.c:2041:19: warning: cast to smaller integer type 'enum xgene_enet_id' from 'const void *' [-Wvoid-pointer-to-enum-cast] 2041 | pdata->enet_id = (enum xgene_enet_id)device_get_match_data(&pdev->dev); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. ../drivers/net/ethernet/sfc/siena/ptp.c:208: warning: Excess struct member 'valid' description in 'efx_ptp_timeset' tools/testing/selftests/arm64/tags/.gitignore: warning: ignored by one of the .gitignore files tools/testing/selftests/arm64/tags/Makefile: warning: ignored by one of the .gitignore files tools/testing/selftests/arm64/tags/tags_test.c: warning: ignored by one of the .gitignore files ../drivers/phy/broadcom/phy-bcm-ns-usb3.c:206:17: warning: cast to smaller integer type 'enum bcm_ns_family' from 'const void *' [-Wvoid-pointer-to-enum-cast] 206 | usb3->family = (enum bcm_ns_family)device_get_match_data(dev); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. ../drivers/block/rbd.c:6093:17: warning: result of comparison of constant 2305843009213693948 with expression of type 'u32' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] 6093 | if (snap_count > (SIZE_MAX - sizeof (struct ceph_snap_context)) | ~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6094 | / sizeof (u64)) { | ~~~~~~~~~~~~~~ 1 warning generated. ../net/ipv4/tcp_output.c:187:3: warning: result of comparison of constant -1 with expression of type 'u8' (aka 'unsigned char') is always false [-Wtautological-constant-out-of-range-compare] 187 | NET_ADD_STATS(sock_net(sk), LINUX_MIB_TCPACKCOMPRESSED, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 188 | tp->compressed_ack); | ~~~~~~~~~~~~~~~~~~~ ../include/net/ip.h:306:41: note: expanded from macro 'NET_ADD_STATS' 306 | #define NET_ADD_STATS(net, field, adnd) SNMP_ADD_STATS((net)->mib.net_statistics, field, adnd) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../include/net/snmp.h:143:4: note: expanded from macro 'SNMP_ADD_STATS' 143 | this_cpu_add(mib->mibs[field], addend) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../include/linux/percpu-defs.h:497:33: note: expanded from macro 'this_cpu_add' 497 | #define this_cpu_add(pcp, val) __pcpu_size_call(this_cpu_add_, pcp, val) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) :75:1: note: expanded from here 75 | this_cpu_add_8 | ^ ../arch/x86/include/asm/percpu.h:558:36: note: expanded from macro 'this_cpu_add_8' 558 | #define this_cpu_add_8(pcp, val) percpu_add_op(8, volatile, (pcp), val) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../arch/x86/include/asm/percpu.h:238:31: note: expanded from macro 'percpu_add_op' 238 | ((val) == 1 || (val) == -1)) ? \ | ~~~~~ ^ ~~ 1 warning generated. ../drivers/block/drbd/drbd_bitmap.c:1220: warning: Function parameter or struct member 'peer_device' not described in 'drbd_bm_read' ../drivers/block/drbd/drbd_bitmap.c:1232: warning: Function parameter or struct member 'peer_device' not described in 'drbd_bm_write' ../drivers/block/drbd/drbd_bitmap.c:1244: warning: Function parameter or struct member 'peer_device' not described in 'drbd_bm_write_all' ../drivers/block/drbd/drbd_bitmap.c:1271: warning: Function parameter or struct member 'peer_device' not described in 'drbd_bm_write_copy_pages' In file included from ../drivers/nfc/pn533/pn533.c:9: In file included from ../include/linux/device.h:15: In file included from ../include/linux/dev_printk.h:16: In file included from ../include/linux/ratelimit.h:6: In file included from ../include/linux/sched.h:13: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. drivers/nvme/target/nvmet.o: warning: objtool: nvmet_ctrl_state_show() falls through to next function __cfi_nvmet_ctrl_host_traddr_open() ../kernel/sched/core.c:6378:1: warning: unused function 'class_core_lock_lock_ptr' [-Wunused-function] 6378 | DEFINE_LOCK_GUARD_1(core_lock, int, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6379 | sched_core_lock(*_T->lock, &_T->flags), | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6380 | sched_core_unlock(*_T->lock, &_T->flags), | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6381 | unsigned long flags) | ~~~~~~~~~~~~~~~~~~~~ ../include/linux/cleanup.h:371:65: note: expanded from macro 'DEFINE_LOCK_GUARD_1' 371 | #define DEFINE_LOCK_GUARD_1(_name, _type, _lock, _unlock, ...) \ | ^ 372 | __DEFINE_UNLOCK_GUARD(_name, _type, _unlock, __VA_ARGS__) \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../include/linux/cleanup.h:348:21: note: expanded from macro '\ __DEFINE_UNLOCK_GUARD' 348 | static inline void *class_##_name##_lock_ptr(class_##_name##_t *_T) \ | ^~~~~~~~~~~~~~~~~~~~~~~~ :4:1: note: expanded from here 4 | class_core_lock_lock_ptr | ^~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. ../drivers/net/ethernet/8390/pcnet_cs.c:1169:9: warning: variable 'xfer_count' set but not used [-Wunused-but-set-variable] 1169 | int xfer_count = count; | ^ 1 warning generated. In file included from ../drivers/net/ethernet/broadcom/b44.c:17: In file included from ../include/linux/module.h:13: In file included from ../include/linux/stat.h:19: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. In file included from ../drivers/staging/rtl8723bs/core/rtw_security.c:8: In file included from ../drivers/staging/rtl8723bs/include/drv_types.h:17: In file included from ../include/linux/sched/signal.h:5: In file included from ../include/linux/rculist.h:11: In file included from ../include/linux/rcupdate.h:26: In file included from ../include/linux/irqflags.h:18: In file included from ../arch/x86/include/asm/irqflags.h:80: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. In file included from ../drivers/scsi/qla2xxx/qla_init.c:6: In file included from ../drivers/scsi/qla2xxx/qla_def.h:12: In file included from ../include/linux/module.h:13: In file included from ../include/linux/stat.h:19: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../drivers/staging/rtl8723bs/core/rtw_xmit.c:1937:13: warning: variable 'drop_cnt' set but not used [-Wunused-but-set-variable] 1937 | static u32 drop_cnt; | ^ In file included from ../drivers/staging/rtl8723bs/core/rtw_xmit.c:7: In file included from ../drivers/staging/rtl8723bs/include/drv_types.h:17: In file included from ../include/linux/sched/signal.h:5: In file included from ../include/linux/rculist.h:11: In file included from ../include/linux/rcupdate.h:26: In file included from ../include/linux/irqflags.h:18: In file included from ../arch/x86/include/asm/irqflags.h:80: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 2 warnings generated. ../drivers/staging/rtl8723bs/hal/hal_com.c:963:6: warning: variable 'res' set but not used [-Wunused-but-set-variable] 963 | u32 res, i = 0; | ^ 1 warning generated. ../drivers/scsi/qla2xxx/qla_isr.c:3891: warning: Function parameter or struct member 'rsp_q_in' not described in 'qla_chk_cont_iocb_avail' In file included from ../drivers/net/ethernet/huawei/hinic/hinic_ethtool.c:17: In file included from ../include/linux/pci.h:27: In file included from ../include/linux/mod_devicetable.h:14: In file included from ../include/linux/uuid.h:11: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. In file included from ../drivers/net/ethernet/intel/igc/igc_ethtool.c:5: In file included from ../include/linux/if_vlan.h:10: In file included from ../include/linux/netdevice.h:24: In file included from ../include/linux/timer.h:6: In file included from ../include/linux/ktime.h:25: In file included from ../include/linux/jiffies.h:10: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. In file included from ../drivers/net/ethernet/intel/ixgbevf/ethtool.c:9: In file included from ../include/linux/module.h:13: In file included from ../include/linux/stat.h:19: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../drivers/scsi/lpfc/lpfc_bsg.c:2806:11: warning: variable 'offset' set but not used [-Wunused-but-set-variable] 2806 | int cnt, offset = 0, i = 0; | ^ 1 warning generated. In file included from ../drivers/scsi/bnx2i/bnx2i_hwi.c:17: In file included from ../include/linux/gfp.h:7: In file included from ../include/linux/mmzone.h:8: In file included from ../include/linux/spinlock.h:59: In file included from ../include/linux/irqflags.h:18: In file included from ../arch/x86/include/asm/irqflags.h:80: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../scripts/Makefile.build:229: ../drivers/net/ethernet/freescale/dpaa2/Makefile: dpaa2-mac.o is added to multiple modules: fsl-dpaa2-eth fsl-dpaa2-switch In file included from ../drivers/net/ethernet/myricom/myri10ge/myri10ge.c:43: In file included from ../include/linux/tcp.h:17: In file included from ../include/linux/skbuff.h:15: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 2 warnings generated. ../drivers/net/ethernet/natsemi/ns83820.c:1704:6: warning: variable 'loops' set but not used [-Wunused-but-set-variable] 1704 | int loops = 0; | ^ 1 warning generated. ../drivers/net/ethernet/ni/nixge.c:1271:12: warning: cast to smaller integer type 'enum nixge_version' from 'const void *' [-Wvoid-pointer-to-enum-cast] 1271 | version = (enum nixge_version)of_id->data; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. ../net/ceph/osdmap.c:1441:10: warning: result of comparison of constant 4611686018427387891 with expression of type 'u32' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] 1441 | if (len > (SIZE_MAX - sizeof(*pg)) / sizeof(u32)) | ~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../net/ceph/osdmap.c:1624:10: warning: result of comparison of constant 2305843009213693945 with expression of type 'u32' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] 1624 | if (len > (SIZE_MAX - sizeof(*pg)) / (2 * sizeof(u32))) | ~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2 warnings generated. In file included from ../drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c:8: In file included from ../drivers/net/ethernet/qlogic/qlcnic/qlcnic.h:10: In file included from ../include/linux/module.h:13: In file included from ../include/linux/stat.h:19: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. In file included from ../drivers/net/ethernet/tehuti/tehuti.c:63: In file included from ../drivers/net/ethernet/tehuti/tehuti.h:10: In file included from ../include/linux/module.h:13: In file included from ../include/linux/stat.h:19: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../drivers/net/ethernet/ti/tlan.c:2072:7: warning: variable 'def_tx' set but not used [-Wunused-but-set-variable] 2072 | u32 def_tx, crc, code; | ^ 1 warning generated. In file included from ../drivers/net/ethernet/via/via-velocity.c:37: In file included from ../include/linux/module.h:13: In file included from ../include/linux/stat.h:19: In file included from ../include/linux/time.h:60: In file included from ../include/linux/time32.h:13: In file included from ../include/linux/timex.h:67: In file included from ../arch/x86/include/asm/timex.h:5: In file included from ../arch/x86/include/asm/processor.h:19: In file included from ../arch/x86/include/asm/cpuid.h:62: In file included from ../arch/x86/include/asm/paravirt.h:21: In file included from ../include/linux/cpumask.h:12: In file included from ../include/linux/bitmap.h:13: In file included from ../include/linux/string.h:390: ../include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^ 1 warning generated. ../drivers/net/ethernet/sun/niu.c:4650:6: warning: variable 'val' set but not used [-Wunused-but-set-variable] 4650 | u64 val; | ^ 1 warning generated. ../drivers/net/ethernet/sfc/ptp.c:205: warning: Excess struct member 'valid' description in 'efx_ptp_timeset' ../fs/ceph/snap.c:377:10: warning: result of comparison of constant 2305843009213693948 with expression of type 'u32' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] 377 | if (num > (SIZE_MAX - sizeof(*snapc)) / sizeof(u64)) | ~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. ../net/ipv4/tcp_lp.c:122: warning: Function parameter or struct member 'ack' not described in 'tcp_lp_cong_avoid' ../net/ipv4/tcp_lp.c:122: warning: Function parameter or struct member 'acked' not described in 'tcp_lp_cong_avoid' ../net/ipv4/tcp_lp.c:272: warning: Function parameter or struct member 'sample' not described in 'tcp_lp_pkts_acked' ../scripts/Makefile.build:229: ../drivers/net/ethernet/ti/Makefile: cpsw_ale.o is added to multiple modules: ti_cpsw ti_cpsw_new ../scripts/Makefile.build:229: ../drivers/net/ethernet/ti/Makefile: cpsw_priv.o is added to multiple modules: ti_cpsw ti_cpsw_new ../scripts/Makefile.build:229: ../drivers/net/ethernet/ti/Makefile: cpsw_ethtool.o is added to multiple modules: ti_cpsw ti_cpsw_new ../drivers/net/ethernet/apm/xgene/xgene_enet_main.c:2041:19: warning: cast to smaller integer type 'enum xgene_enet_id' from 'const void *' [-Wvoid-pointer-to-enum-cast] 2041 | pdata->enet_id = (enum xgene_enet_id)device_get_match_data(&pdev->dev); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. ../drivers/net/caif/caif_serial.c:130:20: warning: unused function 'debugfs_tx' [-Wunused-function] 130 | static inline void debugfs_tx(struct ser_device *ser, const u8 *data, int size) | ^~~~~~~~~~ 1 warning generated. ../drivers/most/most_usb.c:69: warning: Function parameter or struct member 'dev' not described in 'most_dci_obj' ../drivers/most/most_usb.c:69: warning: Excess struct member 'kobj' description in 'most_dci_obj' ../drivers/most/most_usb.c:122: warning: Function parameter or struct member 'dev' not described in 'most_dev' ../drivers/most/most_usb.c:122: warning: Function parameter or struct member 'clear_work' not described in 'most_dev' ../drivers/most/most_usb.c:122: warning: Function parameter or struct member 'on_netinfo' not described in 'most_dev' ../drivers/most/most_usb.c:650: warning: Function parameter or struct member 'on_netinfo' not described in 'hdm_request_netinfo' ../drivers/net/ethernet/sfc/siena/ptp.c:208: warning: Excess struct member 'valid' description in 'efx_ptp_timeset'