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Re: [PATCH v2 07/10] vfio/platform: Remove dead assignment in vfio_intp_
From: |
Li Qiang |
Subject: |
Re: [PATCH v2 07/10] vfio/platform: Remove dead assignment in vfio_intp_interrupt() |
Date: |
Wed, 26 Aug 2020 18:14:59 +0800 |
Chenqun (kuhn) <kuhn.chenqun@huawei.com> 于2020年8月26日周三 上午9:47写道:
>
>
> > > Clang static code analyzer show warning:
> > > hw/vfio/platform.c:239:9: warning: Value stored to 'ret' is never read
> > > ret = event_notifier_test_and_clear(intp->interrupt);
> > > ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > >
> > > Reported-by: Euler Robot <euler.robot@huawei.com>
> > > Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>
> > > Reviewed-by: Eric Auger <eric.auger@redhat.com>
> > > ---
> > > Cc: Alex Williamson <alex.williamson@redhat.com>
> > > Cc: Eric Auger <eric.auger@redhat.com>
> > > Cc: Stefan Hajnoczi <stefanha@redhat.com>
> > > ---
> > > hw/vfio/platform.c | 2 +-
> > > 1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/hw/vfio/platform.c b/hw/vfio/platform.c index
> > > ac2cefc9b1..869ed2c39d 100644
> > > --- a/hw/vfio/platform.c
> > > +++ b/hw/vfio/platform.c
> > > @@ -236,7 +236,7 @@ static void vfio_intp_interrupt(VFIOINTp *intp)
> > > trace_vfio_intp_interrupt_set_pending(intp->pin);
> > > QSIMPLEQ_INSERT_TAIL(&vdev->pending_intp_queue,
> > > intp, pqnext);
> > > - ret = event_notifier_test_and_clear(intp->interrupt);
> >
> > Shouldn't we check the 'ret' like the other place in this function?
>
> Hi, Li Qiang,
>
> Eric、Alex、Stefan has already discussed this point in the V1 version.
> https://patchwork.kernel.org/patch/11711897/
Ok I see, then
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Thanks,
Li Qiang
>
> Thanks.