linux-kernel - [PATCH 5.4 010/168] kbuild: fix No such file or directory warning when cleaning

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Message-Id: <20200310123636.818007750@linuxfoundation.org>
Date:   Tue, 10 Mar 2020 13:37:36 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, kbuild test robot <lkp@...el.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 010/168] kbuild: fix No such file or directory warning when cleaning

From: Masahiro Yamada <masahiroy@...nel.org>

[ Upstream commit cf6b58ab2d55f5a143c88c219c8e66ff0720fa69 ]

Since commit fcbb8461fd23 ("kbuild: remove header compile test"),
'make clean' with O= option in the pristine source tree emits
'No such file or directory' warning.

$ git clean -d -f -x
$ make O=foo clean
make[1]: Entering directory '/home/masahiro/linux/foo'
find: ‘usr/include’: No such file or directory
make[1]: Leaving directory '/home/masahiro/linux/foo'

Fixes: fcbb8461fd23 ("kbuild: remove header compile test")
Reported-by: kbuild test robot <lkp@...el.com>
Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 usr/include/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/usr/include/Makefile b/usr/include/Makefile
index 47cb91d3a51d2..e2840579156a9 100644
--- a/usr/include/Makefile
+++ b/usr/include/Makefile
@@ -99,7 +99,7 @@ endif
 # asm-generic/*.h is used by asm/*.h, and should not be included directly
 header-test- += asm-generic/%
 
-extra-y := $(patsubst $(obj)/%.h,%.hdrtest, $(shell find $(obj) -name '*.h'))
+extra-y := $(patsubst $(obj)/%.h,%.hdrtest, $(shell find $(obj) -name '*.h' 2>/dev/null))
 
 quiet_cmd_hdrtest = HDRTEST $<
       cmd_hdrtest = \
-- 
2.20.1