../net/mctp/route.c:160:9: warning: context imbalance in 'mctp_lookup_key' - different lock contexts for basic block ../net/mctp/route.c:539:39: warning: context imbalance in 'mctp_route_input' - unexpected unlock WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/block/rnull_mod.o ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static? ../net/mctp/route.c:160:9: warning: context imbalance in 'mctp_lookup_key' - different lock contexts for basic block ../net/mctp/route.c:524:39: warning: context imbalance in 'mctp_route_input' - unexpected unlock WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/block/rnull_mod.o ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static? ../net/mctp/route.c:160:9: warning: context imbalance in 'mctp_lookup_key' - different lock contexts for basic block ../net/mctp/route.c:539:39: warning: context imbalance in 'mctp_route_input' - unexpected unlock WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/block/rnull_mod.o ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?