From: Karel Zak <kzak@redhat.com>
Date: Tue, 31 Jan 2012 13:19:27 +0000 (+0100)
Subject: blkid: check fd before use [coverity scan]
X-Git-Tag: v2.21-rc2~57
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d75bcac49ac500e4bf3fd7297f22ae9a2133f0eb;p=thirdparty%2Futil-linux.git

blkid: check fd before use [coverity scan]

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/misc-utils/blkid.c b/misc-utils/blkid.c
index 463fad3c0d..e0009a5684 100644
--- a/misc-utils/blkid.c
+++ b/misc-utils/blkid.c
@@ -448,9 +448,9 @@ done:
 static int lowprobe_superblocks(blkid_probe pr)
 {
 	struct stat st;
-	int rc;
+	int rc, fd = blkid_probe_get_fd(pr);
 
-	if (fstat(blkid_probe_get_fd(pr), &st))
+	if (fd < 0 || fstat(fd, &st))
 		return -1;
 
 	blkid_probe_enable_partitions(pr, 1);