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>

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 62082c5..dad22a9 100644 (file)
--- 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);