From: Kees Cook <keescook@chromium.org>
Date: Sat, 19 Jun 2021 06:30:07 +0000 (-0700)
Subject: Makefile: Enable -Warray-bounds
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=dbb4411e1b14944648eacbfb8ea3eb4586bd7b1e;p=users%2Fjedix%2Flinux-maple.git

Makefile: Enable -Warray-bounds

With the recent fixes for flexible arrays and expanded FORTIFY_SOURCE
coverage, it is now possible to enable -Warray-bounds. Since both
GCC and Clang include -Warray-bounds in -Wall, we just need to stop
disabling it.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: linux-kbuild@vger.kernel.org
Co-developed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
---

diff --git a/Makefile b/Makefile
index e4f5895badb5e..8e7e73a642e26 100644
--- a/Makefile
+++ b/Makefile
@@ -995,7 +995,6 @@ KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)
 
 # We'll want to enable this eventually, but it's not going away for 5.7 at least
 KBUILD_CFLAGS += $(call cc-disable-warning, zero-length-bounds)
-KBUILD_CFLAGS += $(call cc-disable-warning, array-bounds)
 KBUILD_CFLAGS += $(call cc-disable-warning, stringop-overflow)
 
 # Another good warning that we'll want to enable eventually