blk-mq: fix leak of hctx->ctx_map

hctx->ctx_map should have been freed inside blk_mq_free_queue().

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 62082c5daae7..dad22a9abe49 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1846,6 +1846,7 @@ void blk_mq_free_queue(struct request_queue *q)
         queue_for_each_hw_ctx(q, hctx, i) {
                 blk_mq_tag_idle(hctx);
                 kfree(hctx->ctxs);
+                blk_mq_free_bitmap(&hctx->ctx_map);
                 blk_mq_unregister_cpu_notifier(&hctx->cpu_notifier);
                 if (q->mq_ops->exit_hctx)
                         q->mq_ops->exit_hctx(hctx, i);