../net/socket.c:1719:21: warning: symbol 'update_socket_protocol' was not declared. Should it be static? ../drivers/net/tap.c:791:20: warning: context imbalance in 'tap_ring_consume' - different lock contexts for basic block ../drivers/net/tap.c:1261:17: warning: context imbalance in 'tap_ring_consume_batched' - different lock contexts for basic block ../drivers/net/tun.c:2152:20: warning: context imbalance in 'tun_ring_consume' - different lock contexts for basic block ../drivers/net/tun.c:3806:17: warning: context imbalance in 'tun_ring_consume_batched' - different lock contexts for basic block ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static? ../net/socket.c:1719:21: warning: symbol 'update_socket_protocol' was not declared. Should it be static? ../drivers/net/tap.c:791:20: warning: context imbalance in 'tap_ring_consume' - different lock contexts for basic block ../drivers/net/tap.c:1261:17: warning: context imbalance in 'tap_ring_consume_batched' - different lock contexts for basic block ../drivers/net/tun.c:2152:20: warning: context imbalance in 'tun_ring_consume' - different lock contexts for basic block ../drivers/net/tun.c:3806:17: warning: context imbalance in 'tun_ring_consume_batched' - different lock contexts for basic block ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?