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authorMasahiro Yamada <yamada.masahiro@socionext.com>2019-05-09 15:45:49 +0900
committerMasahiro Yamada <yamada.masahiro@socionext.com>2019-05-18 11:49:52 +0900
commit8289f913fe12644a9358c12df3da5bd4e7767df0 (patch)
tree270c9c64d47aa22fe25eebe63000bb956ba29899
parent33ff99fb0915a2225897d0bf072ec271e81ad8e0 (diff)
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>
-rw-r--r--Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 28965187c528..a99c7a1836b5 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