From: Jes Sorensen <[email protected]> If blk_mq_init_allocated_queue() fails, make sure to free the poll stat callback struct allocated.
Signed-off-by: Jes Sorensen <[email protected]> --- block/blk-mq.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/block/blk-mq.c b/block/blk-mq.c index 9516304a38ee..7aa90c0b056b 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -2838,7 +2838,7 @@ 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); @@ -2899,6 +2899,9 @@ struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set, 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); -- 2.17.1
