[PATCH 2/2] nvme: use return value from blk_execute_rq()

[Keith Busch]

On Fri, Apr 16, 2021 at 10:12:11AM -0700, Yuanyuan Zhong wrote:
> >         if (poll)
> >                 nvme_execute_rq_polled(req->q, NULL, req, at_head);
> You may need to audit other completion handlers for blk_execute_rq_nowait().

Why? Those callers already provide their own callback that directly get
the error.

> How to get error ret from polled rq?

Please see nvme_end_sync_rq() for that driver's polled handler callback.
It already has the error.