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authorOlaf Hering <olaf@aepfle.de>2020-10-11 20:54:31 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-01-19 18:22:39 +0100
commit47b5fc25044c81190203fe73d84068bffa0dd73a (patch)
tree4dedd35a5f9ccacad09cd9dc9505e2143dd95ac9
parent1921060a11b30dedfa8732c83de382788811bb83 (diff)
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>
-rw-r--r--Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 3e44a813604e..17ee114eb52d 100644
--- a/Makefile
+++ b/Makefile
@@ -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 :=