From: Masahiro Yamada <yamada.masahiro@socionext.com>
Date: Thu, 9 May 2019 06:45:49 +0000 (+0900)
Subject: kbuild: add -Wvla flag unconditionally
X-Git-Tag: v5.4-rc1~926^2~15
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8289f913fe12644a9358c12df3da5bd4e7767df0;p=platform%2Fkernel%2Flinux-rpi.git

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>
---

diff --git a/Makefile b/Makefile
index 2896518..a99c7a1 100644
--- a/Makefile
+++ b/Makefile
@@ -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