[PATCH 5.4 01/76] kbuild: enforce -Werror=return-type
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-01-18 19:22:36
Also in:
lkml
From: Olaf Hering <redacted> commit 172aad81a882443eefe1bd860c4eddc81b14dd5b upstream. 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 <redacted> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Cc: Nathan Chancellor <redacted> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/Makefile
+++ b/Makefile@@ -480,7 +480,7 @@ KBUILD_AFLAGS := -D__ASSEMBLY__ -fno-P 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 :=