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-rw-r--r--block/blk-mq.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 32b8ad3d341b..ce0f5f4ede70 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2865,7 +2865,7 @@ struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
goto err_exit;
if (blk_mq_alloc_ctxs(q))
- goto err_exit;
+ goto err_poll;
/* init q->mq_kobj and sw queues' kobjects */
blk_mq_sysfs_init(q);
@@ -2929,6 +2929,9 @@ err_hctxs:
kfree(q->queue_hw_ctx);
err_sys_init:
blk_mq_sysfs_deinit(q);
+err_poll:
+ blk_stat_free_callback(q->poll_cb);
+ q->poll_cb = NULL;
err_exit:
q->mq_ops = NULL;
return ERR_PTR(-ENOMEM);