diff options
| -rw-r--r-- | block/blk-mq.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index e68b71b85a7e..594eea04266e 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1600,6 +1600,7 @@ static int blk_mq_hctx_notify(void *data, unsigned long action, return NOTIFY_OK; } +/* hctx->ctxs will be freed in queue's release handler */ static void blk_mq_exit_hctx(struct request_queue *q, struct blk_mq_tag_set *set, struct blk_mq_hw_ctx *hctx, unsigned int hctx_idx) @@ -1618,7 +1619,6 @@ static void blk_mq_exit_hctx(struct request_queue *q, blk_mq_unregister_cpu_notifier(&hctx->cpu_notifier); blk_free_flush_queue(hctx->fq); - kfree(hctx->ctxs); blk_mq_free_bitmap(&hctx->ctx_map); } @@ -1891,8 +1891,12 @@ void blk_mq_release(struct request_queue *q) unsigned int i; /* hctx kobj stays in hctx */ - queue_for_each_hw_ctx(q, hctx, i) + queue_for_each_hw_ctx(q, hctx, i) { + if (!hctx) + continue; + kfree(hctx->ctxs); kfree(hctx); + } kfree(q->queue_hw_ctx); |