WARNING: line length of 91 exceeds 80 columns
#34: FILE: drivers/net/netdevsim/bus.c:235:
+static ssize_t link_device_store(const struct bus_type *bus, const char *buf, size_t count)

WARNING: line length of 85 exceeds 80 columns
#42: FILE: drivers/net/netdevsim/bus.c:243:
+	err = sscanf(buf, "%d:%u %d:%u", &netnsfd_a, &ifidx_a, &netnsfd_b, &ifidx_b);

WARNING: line length of 100 exceeds 80 columns
#64: FILE: drivers/net/netdevsim/bus.c:265:
+		pr_err("Could not find device with ifindex %u in netnsfd %d\n", ifidx_a, netnsfd_a);

WARNING: line length of 104 exceeds 80 columns
#69: FILE: drivers/net/netdevsim/bus.c:270:
+		pr_err("Device with ifindex %u in netnsfd %d is not a netdevsim\n", ifidx_a, netnsfd_a);

WARNING: line length of 100 exceeds 80 columns
#75: FILE: drivers/net/netdevsim/bus.c:276:
+		pr_err("Could not find device with ifindex %u in netnsfd %d\n", ifidx_b, netnsfd_b);

WARNING: line length of 104 exceeds 80 columns
#80: FILE: drivers/net/netdevsim/bus.c:281:
+		pr_err("Device with ifindex %u in netnsfd %d is not a netdevsim\n", ifidx_b, netnsfd_b);

WARNING: line length of 82 exceeds 80 columns
#93: FILE: drivers/net/netdevsim/bus.c:294:
+		pr_err("Netdevsim %d:%u is already linked\n", netnsfd_a, ifidx_a);

WARNING: line length of 82 exceeds 80 columns
#100: FILE: drivers/net/netdevsim/bus.c:301:
+		pr_err("Netdevsim %d:%u is already linked\n", netnsfd_b, ifidx_b);

WARNING: line length of 93 exceeds 80 columns
#117: FILE: drivers/net/netdevsim/bus.c:318:
+static ssize_t unlink_device_store(const struct bus_type *bus, const char *buf, size_t count)

WARNING: line length of 96 exceeds 80 columns
#141: FILE: drivers/net/netdevsim/bus.c:342:
+		pr_err("Could not find device with ifindex %u in netnsfd %d\n", ifidx, netnsfd);

WARNING: line length of 100 exceeds 80 columns
#146: FILE: drivers/net/netdevsim/bus.c:347:
+		pr_err("Device with ifindex %u in netnsfd %d is not a netdevsim\n", ifidx, netnsfd);

total: 0 errors, 11 warnings, 0 checks, 181 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 2eedad44fa2a ("netdevsim: allow two netdevsim ports to be connected") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 11 warnings, 0 checks, 181 lines checked