Commit 8289f913 authored May 09, 2019 by Masahiro Yamada

kbuild: add -Wvla flag unconditionally



This flag is documented in the GCC 4.6 manual, and recognized by
Clang as well. Let's rip off the cc-option switch.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Sedat Dilek <sedat.dilek@gmail.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Acked-by: Kees Cook <keescook@chromium.org>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>

parent 33ff99fb

Makefile

+1 −1

Original line number	Diff line number	Diff line
		@@ -841,7 +841,7 @@ NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
		KBUILD_CFLAGS += -Wdeclaration-after-statement

		# Variable Length Arrays (VLAs) should not be used anywhere in the kernel
		KBUILD_CFLAGS += $(call cc-option,-Wvla)
		KBUILD_CFLAGS += -Wvla

		# disable pointer signed / unsigned warnings in gcc 4.0
		KBUILD_CFLAGS += -Wno-pointer-sign

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