From: Johannes Berg <johannes.berg@intel.com>
Date: Fri, 9 Jun 2023 08:46:42 +0000 (+0200)
Subject: kbuild: enable kernel-doc -Wall for W=2
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=dd203fefd9c9e28bc141d144e032e263804c90bb;p=linux.git

kbuild: enable kernel-doc -Wall for W=2

For W=2, we can enable more kernel-doc warnings,
such as missing return value descriptions etc.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index a0b4fb58201cb..ddd644bd032d0 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -101,7 +101,9 @@ else ifeq ($(KBUILD_CHECKSRC),2)
 endif
 
 ifneq ($(KBUILD_EXTRA_WARN),)
-  cmd_checkdoc = $(srctree)/scripts/kernel-doc -none $(KDOCFLAGS) $<
+  cmd_checkdoc = $(srctree)/scripts/kernel-doc -none $(KDOCFLAGS) \
+        $(if $(findstring 2, $(KBUILD_EXTRA_WARN)), -Wall) \
+        $<
 endif
 
 # Compile C sources (.c)