../net/ipv4/inetpeer.c: In function ‘inet_getpeer’: ../net/ipv4/inetpeer.c:178:13: warning: variable ‘invalidated’ set but not used [-Wunused-but-set-variable] 178 | int invalidated; | ^~~~~~~~~~~ ../net/ipv4/icmp.c: note: in included file (through ../include/linux/spinlock.h, ../include/linux/sched.h, ../include/linux/percpu.h, ../arch/x86/include/asm/msr.h, ../arch/x86/include/asm/tsc.h, ...): ../include/linux/bottom_half.h:33:30: warning: context imbalance in 'icmp_reply' - different lock contexts for basic block ../include/linux/bottom_half.h:33:30: warning: context imbalance in '__icmp_send' - different lock contexts for basic block ../net/ipv6/icmp.c:103:20: warning: context imbalance in 'icmpv6_xmit_lock' - wrong count at exit ../net/ipv6/icmp.c:119:13: warning: context imbalance in 'icmpv6_xmit_unlock' - unexpected unlock ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static? ../net/ipv4/inetpeer.c: In function ‘inet_getpeer’: ../net/ipv4/inetpeer.c:177:13: warning: variable ‘invalidated’ set but not used [-Wunused-but-set-variable] 177 | int invalidated; | ^~~~~~~~~~~ ../net/ipv6/icmp.c:103:20: warning: context imbalance in 'icmpv6_xmit_lock' - wrong count at exit ../net/ipv6/icmp.c:119:13: warning: context imbalance in 'icmpv6_xmit_unlock' - unexpected unlock ../net/ipv4/icmp.c: note: in included file (through ../include/linux/spinlock.h, ../include/linux/sched.h, ../include/linux/percpu.h, ../arch/x86/include/asm/msr.h, ../arch/x86/include/asm/tsc.h, ...): ../include/linux/bottom_half.h:33:30: warning: context imbalance in 'icmp_reply' - different lock contexts for basic block ../include/linux/bottom_half.h:33:30: warning: context imbalance in '__icmp_send' - different lock contexts for basic block ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?