Messages in this thread Patch in this message | | | Date | Tue, 9 Feb 2016 14:14:40 +0300 | From | Dan Carpenter <> | Subject | [patch] dm: check for kmalloc failure in dm_init_request_based_blk_mq_queue() |
| |
We can just return -ENOMEM if the kzalloc() fails.
Fixes: 41b2facaf4ba ('dm: allocate blk_mq_tag_set rather than embed in mapped_device') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 6b7e80e..1a5f879 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -2736,6 +2736,8 @@ static int dm_init_request_based_blk_mq_queue(struct mapped_device *md, int err; md->tag_set = kzalloc(sizeof(struct blk_mq_tag_set), GFP_KERNEL); + if (!md->tag_set) + return -ENOMEM; md->tag_set->ops = &dm_mq_ops; md->tag_set->queue_depth = dm_get_blk_mq_queue_depth(); md->tag_set->numa_node = NUMA_NO_NODE;
| |