On 08/23/2017 05:20 AM, Dan Carpenter wrote: > My initial impulse was to check for IS_ERR_OR_NULL() but when I looked > at this code a bit more closely, we should only need to check for > IS_ERR(). > > The blk_mq_alloc_tag_set() returns negative error codes and zero on > success so we can just do an "if (rc) goto err_out;". It's better to > preserve the error code anyhow. The blk_mq_init_queue() returns error > pointers on failure, it never returns NULL. We can also remove the > "q = NULL;" at the start because that's no longer needed. Applied, thanks Dan. -- Jens Axboe