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![zhengbin](https://secure.gravatar.com/avatar/d631214dc36a38d3f6b46669272a3bf1.jpg?s=96&d=mm)
zhengbin committed 03754ea3618
paride/pcd: need to check if cd->disk is null in pcd_detect If alloc_disk fails in pcd_init_units, cd->disk & pi are empty, we need to check if cd->disk is null in pcd_detect. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: zhengbin <zhengbin13@huawei.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>