tree d959fdc796f3db1c7c06d7f626c5462c4ce79d7a
parent ecf4d59a4ebf1237bde1cb2de71a0a6e927d4b0c
author zhengbin <zhengbin13@huawei.com> 1565695660 +0800
committer Jens Axboe <axboe@kernel.dk> 1567602062 -0600

paride/pcd: need to set queue to NULL before put_disk

In pcd_init_units, if blk_mq_init_sq_queue fails, need to set queue to
NULL before put_disk, otherwise null-ptr-deref Read will occur.

put_disk
  kobject_put
    disk_release
      blk_put_queue(disk->queue)

Fixes: f0d176255401 ("paride/pcd: Fix potential NULL pointer dereference and mem leak")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>