diff --git a/fs/udf/super.c b/fs/udf/super.c
index 68d57b6..6f51565 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1510,10 +1510,16 @@ static void udf_load_logicalvolint(struct super_block *sb, struct kernel_extent_
  */
 #define PART_DESC_ALLOC_STEP 32
 
+struct part_desc_seq_scan_data {
+	struct udf_vds_record rec;
+	u32 partnum;
+};
+
 struct desc_seq_scan_data {
 	struct udf_vds_record vds[VDS_POS_LENGTH];
 	unsigned int size_part_descs;
-	struct udf_vds_record *part_descs_loc;
+	unsigned int num_part_descs;
+	struct part_desc_seq_scan_data *part_descs_loc;
 };
 
 static struct udf_vds_record *handle_partition_descriptor(
@@ -1522,10 +1528,14 @@ static struct udf_vds_record *handle_partition_descriptor(
 {
 	struct partitionDesc *desc = (struct partitionDesc *)bh->b_data;
 	int partnum;
+	int i;
 
 	partnum = le16_to_cpu(desc->partitionNumber);
-	if (partnum >= data->size_part_descs) {
-		struct udf_vds_record *new_loc;
+	for (i = 0; i < data->num_part_descs; i++)
+		if (partnum == data->part_descs_loc[i].partnum)
+			return &(data->part_descs_loc[i].rec);
+	if (data->num_part_descs >= data->size_part_descs) {
+		struct part_desc_seq_scan_data *new_loc;
 		unsigned int new_size = ALIGN(partnum, PART_DESC_ALLOC_STEP);
 
 		new_loc = kcalloc(new_size, sizeof(*new_loc), GFP_KERNEL);
@@ -1537,7 +1547,7 @@ static struct udf_vds_record *handle_partition_descriptor(
 		data->part_descs_loc = new_loc;
 		data->size_part_descs = new_size;
 	}
-	return &(data->part_descs_loc[partnum]);
+	return &(data->part_descs_loc[data->num_part_descs++].rec);
 }
 
 
@@ -1587,6 +1597,7 @@ static noinline int udf_process_sequence(
 
 	memset(data.vds, 0, sizeof(struct udf_vds_record) * VDS_POS_LENGTH);
 	data.size_part_descs = PART_DESC_ALLOC_STEP;
+	data.num_part_descs = 0;
 	data.part_descs_loc = kcalloc(data.size_part_descs,
 				      sizeof(*data.part_descs_loc),
 				      GFP_KERNEL);
@@ -1598,7 +1609,6 @@ static noinline int udf_process_sequence(
 	 * are in it.
 	 */
 	for (; (!done && block <= lastblock); block++) {
-
 		bh = udf_read_tagged(sb, block, block, &ident);
 		if (!bh)
 			break;
@@ -1670,13 +1680,10 @@ static noinline int udf_process_sequence(
 	}
 
 	/* Now handle prevailing Partition Descriptors */
-	for (i = 0; i < data.size_part_descs; i++) {
-		if (data.part_descs_loc[i].block) {
-			ret = udf_load_partdesc(sb,
-						data.part_descs_loc[i].block);
-			if (ret < 0)
-				return ret;
-		}
+	for (i = 0; i < data.num_part_descs; i++) {
+		ret = udf_load_partdesc(sb, data.part_descs_loc[i].rec.block);
+		if (ret < 0)
+			return ret;
 	}
 
 	return 0;