On Fri, Nov 23, 2018 at 12:54:32PM -0700, Jens Axboe wrote: > On 11/23/18 12:18 AM, Dan Carpenter wrote: > > If blk_mq_alloc_request() fails then it leads to an error pointer > > dereference. > > Thanks, this should not error, as we're getting the one and only > reserved tag. That's why it doesn't check. So I think if we're > going to add code to a case that can't happen, it should at least > be accompanied by a error print of some sort. Ah. Fine. Let's not add code just to make the static checker happy. We should leave it as-is. regards, dan carpenter