| commit | 6bf6b0aa3da84a3d9126919a94c49c0fb7ee2fb3 | [log] [tgz] |
|---|---|---|
| author | Omar Sandoval <osandov@fb.com> | Mon Jan 09 11:44:12 2017 -0800 |
| committer | Jens Axboe <axboe@fb.com> | Tue Jan 10 13:30:50 2017 -0700 |
| tree | 4f7b1d400af13e0b087ee14116b5a56d840d1c2a | |
| parent | 25b4acfc7de0fc4da3bfea3a316f7282c6fbde81 [diff] |
virtio_blk: fix panic in initialization error path If blk_mq_init_queue() returns an error, it gets assigned to vblk->disk->queue. Then, when we call put_disk(), we end up calling blk_put_queue() with the ERR_PTR, causing a bad dereference. Fix it by only assigning to vblk->disk->queue on success. Signed-off-by: Omar Sandoval <osandov@fb.com> Reviewed-by: Jeff Moyer <jmoyer@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>