../net/ipv4/udp.c:1614:28: warning: context imbalance in 'udp_rmem_release' - unexpected unlock
../net/ipv4/udp.c:1646:19: warning: context imbalance in 'busylock_acquire' - wrong count at exit
../net/ipv4/udp.c:1658:28: warning: context imbalance in 'busylock_release' - unexpected unlock
../net/ipv4/udp.c:3209:9: warning: context imbalance in 'udp_get_first' - wrong count at exit
../net/ipv4/udp.c:3226:39: warning: context imbalance in 'udp_get_next' - unexpected unlock
../net/ipv4/udp.c:3274:31: warning: context imbalance in 'udp_seq_stop' - unexpected unlock
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?