From: Masami Hiramatsu <mhiramat@xxxxxxxxxx> commit 824afd55e95c3cb12c55d297a0ae408be1779cc8 upstream. Since the "fallthrough" is defined only in the kernel, building lib/bootconfig.c as a part of user-space tools causes a build error. Add a dummy fallthrough to avoid the build error. Link: https://lkml.kernel.org/r/162087519356.442660.11385099982318160180.stgit@devnote2 Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Fixes: 4c1ca831adb1 ("Revert "lib: Revert use of fallthrough pseudo-keyword in lib/"") Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx> Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- tools/bootconfig/include/linux/bootconfig.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/bootconfig/include/linux/bootconfig.h b/tools/bootconfig/include/linux/bootconfig.h index 078cbd2ba651..de7f30f99af3 100644 --- a/tools/bootconfig/include/linux/bootconfig.h +++ b/tools/bootconfig/include/linux/bootconfig.h @@ -4,4 +4,8 @@ #include "../../../../include/linux/bootconfig.h" +#ifndef fallthrough +# define fallthrough +#endif + #endif -- 2.32.0
