linux-kernel - [PATCH 5.4 07/92] depmod: handle the case of /sbin/depmod without /sbin in PATH

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Message-Id: <20210111130039.508778357@linuxfoundation.org>
Date:   Mon, 11 Jan 2021 14:01:11 +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,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Sasha Levin <sashal@...nel.org>,
        Sedat Dilek <sedat.dilek@...il.com>
Subject: [PATCH 5.4 07/92] depmod: handle the case of /sbin/depmod without /sbin in PATH

From: Linus Torvalds <torvalds@...ux-foundation.org>

[ Upstream commit cedd1862be7e666be87ec824dabc6a2b05618f36 ]

Commit 436e980e2ed5 ("kbuild: don't hardcode depmod path") stopped
hard-coding the path of depmod, but in the process caused trouble for
distributions that had that /sbin location, but didn't have it in the
PATH (generally because /sbin is limited to the super-user path).

Work around it for now by just adding /sbin to the end of PATH in the
depmod.sh script.

Reported-and-tested-by: Sedat Dilek <sedat.dilek@...il.com>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 scripts/depmod.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/scripts/depmod.sh b/scripts/depmod.sh
index e083bcae343f3..3643b4f896ede 100755
--- a/scripts/depmod.sh
+++ b/scripts/depmod.sh
@@ -15,6 +15,8 @@ if ! test -r System.map ; then
 	exit 0
 fi
 
+# legacy behavior: "depmod" in /sbin, no /sbin in PATH
+PATH="$PATH:/sbin"
 if [ -z $(command -v $DEPMOD) ]; then
 	echo "Warning: 'make modules_install' requires $DEPMOD. Please install it." >&2
 	echo "This is probably in the kmod package." >&2
-- 
2.27.0