block: fix an error code in add_partition()
We don't set an error code on this path. It means that we return NULL
instead of an error pointer and the caller does a NULL dereference.
Fixes: 6d1d8050b4bc ("block, partition: add partition_meta_info to hd_struct")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/block/partition-generic.c b/block/partition-generic.c
index ff07b91..c5ec824 100644
--- a/block/partition-generic.c
+++ b/block/partition-generic.c
@@ -320,8 +320,10 @@ struct hd_struct *add_partition(struct gendisk *disk, int partno,
if (info) {
struct partition_meta_info *pinfo = alloc_part_info(disk);
- if (!pinfo)
+ if (!pinfo) {
+ err = -ENOMEM;
goto out_free_stats;
+ }
memcpy(pinfo, info, sizeof(*info));
p->info = pinfo;
}