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 <[email protected]> Reviewed-by: Sedat Dilek <[email protected]> Reviewed-by: Nathan Chancellor <[email protected]> Acked-by: Kees Cook <[email protected]> Tested-by: Nick Desaulniers <[email protected]>
devinus · May 18, 2019 · 8289f91 · 8289f91
1 parent 33ff99f
commit 8289f91
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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