From: Karel Zak <kzak@redhat.com>
Date: Wed, 28 Jan 2015 13:33:30 +0000 (+0100)
Subject: blockdev: check return when read from sysfs [coverity scan]
X-Git-Tag: v2.26-rc2~61
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9eaa7292e4bcf10149964cf8d5d3150bc6aabd45;p=thirdparty%2Futil-linux.git

blockdev: check return when read from sysfs [coverity scan]

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

diff --git a/disk-utils/blockdev.c b/disk-utils/blockdev.c
index 43aaef6d6b..ef6ee1d4d7 100644
--- a/disk-utils/blockdev.c
+++ b/disk-utils/blockdev.c
@@ -455,7 +455,10 @@ static void report_device(char *device, int quiet)
 			err(EXIT_FAILURE,
 				_("%s: failed to initialize sysfs handler"),
 				device);
-		sysfs_read_u64(&cxt, "start", &start);
+		if (sysfs_read_u64(&cxt, "start", &start))
+			err(EXIT_FAILURE,
+				_("%s: failed to read partition start from sysfs"),
+				device);
 		sysfs_deinit(&cxt);
 	}
 	if (ioctl(fd, BLKROGET, &ro) == 0 &&