linux-kernel - [PATCH 5.18 128/158] selftests: gpio: fix include path to kernel headers for out of tree builds

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Date:   Wed, 27 Jul 2022 18:13:12 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, kernel test robot <lkp@...el.com>,
        Kent Gibson <warthog618@...il.com>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.18 128/158] selftests: gpio: fix include path to kernel headers for out of tree builds

From: Kent Gibson <warthog618@...il.com>

[ Upstream commit f63731e18e8d8350e05b0176e39a76639f6483c7 ]

When building selftests out of the kernel tree the gpio.h the include
path is incorrect and the build falls back to the system includes
which may be outdated.

Add the KHDR_INCLUDES to the CFLAGS to include the gpio.h from the
build tree.

Fixes: 4f4d0af7b2d9 ("selftests: gpio: restore CFLAGS options")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Kent Gibson <warthog618@...il.com>
Signed-off-by: Bartosz Golaszewski <brgl@...ev.pl>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/testing/selftests/gpio/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/gpio/Makefile b/tools/testing/selftests/gpio/Makefile
index 71b306602368..616ed4019655 100644
--- a/tools/testing/selftests/gpio/Makefile
+++ b/tools/testing/selftests/gpio/Makefile
@@ -3,6 +3,6 @@
 TEST_PROGS := gpio-mockup.sh gpio-sim.sh
 TEST_FILES := gpio-mockup-sysfs.sh
 TEST_GEN_PROGS_EXTENDED := gpio-mockup-cdev gpio-chip-info gpio-line-name
-CFLAGS += -O2 -g -Wall -I../../../../usr/include/
+CFLAGS += -O2 -g -Wall -I../../../../usr/include/ $(KHDR_INCLUDES)
 
 include ../lib.mk
-- 
2.35.1