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-rw-r--r--libblkid/src/superblocks/udf.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libblkid/src/superblocks/udf.c b/libblkid/src/superblocks/udf.c
index c9fb02285..8702dd04b 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;