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-rw-r--r--Makefile6
1 files changed, 1 insertions, 5 deletions
diff --git a/Makefile b/Makefile
index d83d72c26aaa..9cf9d5c1ed8f 100644
--- a/Makefile
+++ b/Makefile
@@ -789,7 +789,7 @@ stackp-flags-$(CONFIG_STACKPROTECTOR_STRONG) := -fstack-protector-strong
KBUILD_CFLAGS += $(stackp-flags-y)
KBUILD_CFLAGS-$(CONFIG_WERROR) += -Werror
-KBUILD_CFLAGS += $(KBUILD_CFLAGS-y)
+KBUILD_CFLAGS += $(KBUILD_CFLAGS-y) $(CONFIG_CC_IMPLICIT_FALLTHROUGH)
ifdef CONFIG_CC_IS_CLANG
KBUILD_CPPFLAGS += -Qunused-arguments
@@ -801,10 +801,6 @@ KBUILD_CFLAGS += -Wno-gnu
KBUILD_CFLAGS += -mno-global-merge
else
-# Warn about unmarked fall-throughs in switch statement.
-# Disabled for clang while comment to attribute conversion happens and
-# https://github.com/ClangBuiltLinux/linux/issues/636 is discussed.
-KBUILD_CFLAGS += $(call cc-option,-Wimplicit-fallthrough=5,)
# gcc inanely warns about local variables called 'main'
KBUILD_CFLAGS += -Wno-main
endif