Am 20.04.2017 um 17:30 hat Daniel P. Berrange geschrieben:
> On Thu, Apr 20, 2017 at 12:00:03PM +0800, Fam Zheng wrote:
> > Signed-off-by: Fam Zheng <f...@redhat.com>
> > ---
> >  block/sheepdog.c | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/block/sheepdog.c b/block/sheepdog.c
> > index fb9203e..7e889ee 100644
> > --- a/block/sheepdog.c
> > +++ b/block/sheepdog.c
> > @@ -608,6 +608,7 @@ static int connect_to_sdog(BDRVSheepdogState *s, Error 
> > **errp)
> >          qemu_set_nonblock(fd);
> >      } else {
> >          fd = -EIO;
> > +        error_setg(errp, "Failed to connect to sheepdog server");
> >      }
> 
> This doesn't make much sense to me. The lines just above the
> diff context have this:
> 
>     fd = socket_connect(s->addr, errp, NULL, NULL);
> 
> socket_connect should have already reported an error on "errp"
> in the scenario that 'fd == -1'.

By the way, am I the only one who thinks that having errp anywhere else
than as the last argument is bad style? I can easily see myself missing
that this functions sets it because the last argument is NULL.

Kevin

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