Documentation/.renames.txt: warning: ignored by one of the .gitignore files ../net/mptcp/protocol.c:3570:9: warning: context imbalance in 'mptcp_sk_clone_init' - unexpected unlock ../kernel/kheaders.c:51:1: error: bad constant expression ../kernel/kheaders.c:52:1: error: bad constant expression ../kernel/kheaders.c:53:1: error: bad constant expression ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static? Documentation/.renames.txt: warning: ignored by one of the .gitignore files ../net/mptcp/protocol.c:3573:9: warning: context imbalance in 'mptcp_sk_clone_init' - unexpected unlock ../kernel/kheaders.c:51:1: error: bad constant expression ../kernel/kheaders.c:52:1: error: bad constant expression ../kernel/kheaders.c:53:1: error: bad constant expression ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?