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| author | Christoph Hellwig <hch@lst.de> | 2014-05-26 11:45:02 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2014-05-26 17:21:51 -0600 |
| commit | 19c5d84f14d2b01fe4c24e1444142f69e6dc08f6 (patch) | |
| tree | f69523d38d3d2c7dc9942291f2e06a72577b8c8a /block/blk-mq.c | |
| parent | c22d9d8a60646a1521ae12a2176f58da19afa186 (diff) | |
| download | op-kernel-dev-19c5d84f14d2b01fe4c24e1444142f69e6dc08f6.zip op-kernel-dev-19c5d84f14d2b01fe4c24e1444142f69e6dc08f6.tar.gz | |
blk-mq: idle all hardware contexts before freeing a queue
Without this we can leak the active_queues reference if a command is
freed while it is considered active.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-mq.c')
| -rw-r--r-- | block/blk-mq.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index 9bc0753..62082c5 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1844,6 +1844,7 @@ void blk_mq_free_queue(struct request_queue *q) blk_mq_del_queue_tag_set(q); queue_for_each_hw_ctx(q, hctx, i) { + blk_mq_tag_idle(hctx); kfree(hctx->ctxs); blk_mq_unregister_cpu_notifier(&hctx->cpu_notifier); if (q->mq_ops->exit_hctx) |
