Merge tag 'vla-v4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

[linux-2.6-block.git] / Makefile

diff --git a/Makefile b/Makefile
index eb73f062e9e9da16a63fb20aa59479abe52ee12f..9aa352b38815801e37fd3cb04c66fa96511443f5 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -801,6 +801,9 @@ NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
 # warn about C99 declaration after statement
 KBUILD_CFLAGS += -Wdeclaration-after-statement
 
+# Variable Length Arrays (VLAs) should not be used anywhere in the kernel
+KBUILD_CFLAGS += $(call cc-option,-Wvla)
+
 # disable pointer signed / unsigned warnings in gcc 4.0
 KBUILD_CFLAGS += -Wno-pointer-sign