Commit 47b5fc25 authored Oct 11, 2020 by Olaf Hering Committed by Greg Kroah-Hartman Jan 19, 2021

kbuild: enforce -Werror=return-type



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 <olaf@aepfle.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 1921060a

Makefile

+1 −1

Original line number	Diff line number	Diff line
		@@ -438,7 +438,7 @@ KBUILD_AFLAGS := -D__ASSEMBLY__
		KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
		-fno-strict-aliasing -fno-common -fshort-wchar \
		-Werror-implicit-function-declaration \
		-Wno-format-security \
		-Werror=return-type -Wno-format-security \
		-std=gnu89
		KBUILD_CPPFLAGS := -D__KERNEL__
		KBUILD_AFLAGS_KERNEL :=