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| author | Ming Lin <ming.l@samsung.com> | 2016-05-26 08:23:27 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-05-26 16:51:43 +0200 |
| commit | c7de5726307620711a4753b2a13d9e5daecc1081 (patch) | |
| tree | cbc8b1c52c7afc1e6f77490956b514aab95f1a2e /drivers/md | |
| parent | MAINTAINERS: mark bcache as orphan (diff) | |
| download | linux-c7de5726307620711a4753b2a13d9e5daecc1081.tar.xz linux-c7de5726307620711a4753b2a13d9e5daecc1081.zip | |
blk-mq: clear q->mq_ops if init fail
blk_mq_init_queue() calls blk_mq_init_allocated_queue(), but q->mq_ops
was not cleared when blk_mq_init_allocated_queue() fails.
Then blk_cleanup_queue() calls blk_mq_free_queue() which will crash because:
- q->all_q_node is not added to all_q_list yet
- q->tag_set is NULL
- hctx was not setup yet or already freed
Fixed it by clearing q->mq_ops on error path.
Signed-off-by: Ming Lin <ming.l@samsung.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/md')
0 files changed, 0 insertions, 0 deletions