On Thu, Jan 31, 2019 at 3:31 PM Bart Van Assche <bvanass...@acm.org> wrote:
>
> On Thu, 2019-01-31 at 14:13 -0800, Evan Green wrote:
> > diff --git a/drivers/block/loop.c b/drivers/block/loop.c
> > index cf5538942834..a1ba555e3b92 100644
> > --- a/drivers/block/loop.c
> > +++ b/drivers/block/loop.c
> > @@ -458,8 +458,13 @@ static void lo_complete_rq(struct request *rq)
> >
> > if (!cmd->use_aio || cmd->ret < 0 || cmd->ret == blk_rq_bytes(rq) ||
> > req_op(rq) != REQ_OP_READ) {
> > - if (cmd->ret < 0)
> > - ret = BLK_STS_IOERR;
> > + if (cmd->ret < 0) {
> > + if (cmd->ret == -EOPNOTSUPP)
> > + ret = BLK_STS_NOTSUPP;
> > + else
> > + ret = BLK_STS_IOERR;
> > + }
>
> Please do not nest if-conditions if that is not necessary. I think the
> above code can be written more clearly as follows:
>
> if (cmd->ret == -ENOTSUPP)
> ret = BLK_STS_NOTSUPP;
> else if (cmd->ret < 0)
> ret = BLK_STS_IOERR;
>
Thanks for taking a look Bart. Will fix.
-Evan
