From: Karel Zak <kzak@redhat.com>
Date: Wed, 27 Mar 2013 15:02:07 +0000 (+0100)
Subject: libblkid: (udf) fix possible null pointer dereference [coverity scan]
X-Git-Tag: v2.23-rc2~96
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6acde8a3b1738afa8e3512e4203905f548465eb0;p=thirdparty%2Futil-linux.git

libblkid: (udf) fix possible null pointer dereference [coverity scan]

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

diff --git a/libblkid/src/superblocks/udf.c b/libblkid/src/superblocks/udf.c
index c9fb02285a..8702dd04b0 100644
--- a/libblkid/src/superblocks/udf.c
+++ b/libblkid/src/superblocks/udf.c
@@ -154,7 +154,8 @@ real_blksz:
 			blkid_probe_get_buffer(pr,
 					(blkid_loff_t) (loc + b) * bs,
 					sizeof(*vd));
-
+		if (!vd)
+			return -1;
 		type = le16_to_cpu(vd->tag.id);
 		if (type == 0)
 			break;