On Tue, 2019-06-25 at 11:01 -0500, Gustavo A. R. Silva wrote: > In preparation to enabling -Wimplicit-fallthrough, mark switch > cases where we are expecting to fall through. [] > This patch is part of the ongoing efforts to enable > -Wimplicit-fallthrough. Just enable the thing already. If you stopped trying to do it all yourself, others will help resolve any new build warnings. For instance: a build of -next x86/64 defconfig has 2. nbd. --- Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/Makefile b/Makefile index 5102b2bbd224..df909ffdfcdb 100644 --- a/Makefile +++ b/Makefile @@ -690,6 +690,7 @@ endif # may-sync-config endif # $(dot-config) KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,) +KBUILD_CFLAGS += $(call cc-option, -Wimplicit-fallthrough) KBUILD_CFLAGS += $(call cc-disable-warning,frame-address,) KBUILD_CFLAGS += $(call cc-disable-warning, format-truncation) KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow)
