../net/mptcp/protocol.c:3371:9: warning: context imbalance in 'mptcp_sk_clone_init' - 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?
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/block/rnull_mod.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/block/rnull_mod.o