From: Olaf Hering <olaf@aepfle.de>
Date: Sun, 11 Oct 2020 20:54:31 +0200
Patch-mainline: v5.10-rc1
Subject: kbuild: enforce -Werror=return-type
Git-commit: 172aad81a882443eefe1bd860c4eddc81b14dd5b
References: bsc#1177281
Catch errors which at least gcc tolerates by default:
warning: 'return' with no value, in function returning non-void [-Wreturn-type]
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Olaf Hering <ohering@suse.de>
---
Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index ddadab2f2e8b..b76c4122c967 100644
--- a/Makefile
+++ b/Makefile
@@ -497,7 +497,7 @@ KBUILD_AFLAGS := -D__ASSEMBLY__ -fno-PIE
KBUILD_CFLAGS := -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs \
-fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \
-Werror=implicit-function-declaration -Werror=implicit-int \
- -Wno-format-security \
+ -Werror=return-type -Wno-format-security \
-std=gnu89
KBUILD_CPPFLAGS := -D__KERNEL__
KBUILD_AFLAGS_KERNEL :=