From: Dave Young <dyoung@redhat.com>
Date: Mon, 10 Oct 2011 09:41:14 +0000 (+0200)
Subject: dracut: check mktemp return value
X-Git-Tag: 014~71
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=88b3e00515804f7e6906590ab02534d1fe4ec91f;p=thirdparty%2Fdracut.git

dracut: check mktemp return value

in slackware the default mktemp is not from coreutils.
A simply make in test directory mangled my rootfs due
to initdir is blank

Also mktemp could failed with other reason like ENOSPC or EPERM
---

diff --git a/dracut b/dracut
index c9329bdf4..de13445c6 100755
--- a/dracut
+++ b/dracut
@@ -472,6 +472,10 @@ fi
 
 readonly TMPDIR=/var/tmp
 readonly initdir=$(mktemp --tmpdir=/var/tmp/ -d -t initramfs.XXXXXX)
+[ -d "$initdir" ] || {
+    dfatal "mktemp failed."
+    exit 1
+}
 
 # clean up after ourselves no matter how we die.
 trap 'ret=$?;[[ $keep ]] && echo "Not removing $initdir." >&2 || rm -rf "$initdir";exit $ret;' EXIT