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-rw-r--r--block/genhd.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/block/genhd.c b/block/genhd.c
index 85df45292dba..0c706f33a599 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1284,7 +1284,11 @@ struct gendisk *alloc_disk_node(int minors, int node_id)
* converted to make use of bd_mutex and sequence counters.
*/
seqcount_init(&disk->part0.nr_sects_seq);
- hd_ref_init(&disk->part0);
+ if (hd_ref_init(&disk->part0)) {
+ hd_free_part(&disk->part0);
+ kfree(disk);
+ return NULL;
+ }
disk->minors = minors;
rand_initialize_disk(disk);