udf: Use 'ret' instead of abusing 'i' in udf_load_logicalvol()

commit cb14d340 upstream.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

fs/udf/super.c

@@ -1235,11 +1235,9 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
 	BUG_ON(ident != TAG_IDENT_LVD);
 	lvd = (struct logicalVolDesc *)bh->b_data;
 
-	i = udf_sb_alloc_partition_maps(sb, le32_to_cpu(lvd->numPartitionMaps));
-	if (i != 0) {
-		ret = i;
+	ret = udf_sb_alloc_partition_maps(sb, le32_to_cpu(lvd->numPartitionMaps));
+	if (ret)
 		goto out_bh;
-	}
 
 	for (i = 0, offset = 0;
 	     i < sbi->s_partitions && offset < le32_to_cpu(lvd->mapTableLength);