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authorKees Cook <keescook@chromium.org>2017-03-20 17:14:11 -0700
committerMasahiro Yamada <yamada.masahiro@socionext.com>2017-03-22 02:50:25 +0900
commitc834f0e8a8bb3025aac38e802fca2e686720f544 (patch)
treec53de99eef392f795629261ecbcc4c5b7b27c99b /Makefile
parentf78271dfb77353c4d045f9735deebe21839fb2ed (diff)
downloadlinux-c834f0e8a8bb3025aac38e802fca2e686720f544.tar.bz2
Kbuild: make designated_init attribute fatal
If a structure is marked with __attribute__((designated_init)) from GCC or Sparse, it needs to have all static initializers using designated initialization. Fail the build for any missing cases. This attribute will be used by the randstruct plugin to make sure randomized structures are being correctly initialized. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile3
1 files changed, 3 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 515aeea7e702..ae49fef98ca3 100644
--- a/Makefile
+++ b/Makefile
@@ -795,6 +795,9 @@ KBUILD_CFLAGS += $(call cc-option,-Werror=date-time)
# enforce correct pointer usage
KBUILD_CFLAGS += $(call cc-option,-Werror=incompatible-pointer-types)
+# Require designated initializers for all marked structures
+KBUILD_CFLAGS += $(call cc-option,-Werror=designated-init)
+
# use the deterministic mode of AR if available
KBUILD_ARFLAGS := $(call ar-option,D)