[dpdk-stable] patch 'net/virtio: fix unchecked return value' has been queued to LTS release 16.11.9

[Luca Boccassi]

On Mon, 2018-11-19 at 20:48 +0800, Tiwei Bie wrote:
> On Mon, Nov 19, 2018 at 12:25:25PM +0000, Luca Boccassi wrote:
> > Hi,
> > 
> > FYI, your patch has been queued to LTS release 16.11.9
> > 
> > Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable
> > yet.
> > It will be pushed if I get no objections before 11/21/18. So please
> > shout if anyone has objections.
> > 
> > Also note that after the patch there's a diff of the upstream
> > commit vs the patch applied
> > to the branch. If the code is different (ie: not only metadata
> > diffs), due for example to
> > a change in context or macro names, please double check it.
> > 
> > Thanks.
> > 
> > Luca Boccassi
> > 
> > ---
> > From 87b9d321789f9bdaa2cf11df2f7377bc1145e7fa Mon Sep 17 00:00:00
> > 2001
> > From: Tiwei Bie <tiwei.bie at intel.com>
> > Date: Wed, 7 Nov 2018 17:01:01 +0800
> > Subject: [PATCH] net/virtio: fix unchecked return value
> > 
> > [ upstream commit ecfae1510edc1391285aa566a2d31e7eae8fc6d2 ]
> > 
> > Coverity issue: 302861
> > Fixes: 6ba1f63b5ab0 ("virtio: support specification 1.0")
> > 
> > Signed-off-by: Tiwei Bie <tiwei.bie at intel.com>
> > Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>
> > ---
> >  drivers/net/virtio/virtio_pci.c | 12 +++++++++---
> >  1 file changed, 9 insertions(+), 3 deletions(-)
> > 
> > diff --git a/drivers/net/virtio/virtio_pci.c
> > b/drivers/net/virtio/virtio_pci.c
> > index f6d697f38..13ad57dfd 100644
> > --- a/drivers/net/virtio/virtio_pci.c
> > +++ b/drivers/net/virtio/virtio_pci.c
> > @@ -690,9 +690,15 @@ virtio_read_caps(struct rte_pci_device *dev,
> > struct virtio_hw *hw)
> >  			hw->common_cfg = get_cfg_addr(dev, &cap);
> >  			break;
> >  		case VIRTIO_PCI_CAP_NOTIFY_CFG:
> > -			rte_eal_pci_read_config(dev, &hw-
> > >notify_off_multiplier,
> > -						4, pos +
> > sizeof(cap));
> > -			hw->notify_base = get_cfg_addr(dev, &cap);
> > +			ret = rte_eal_pci_read_config(dev,
> > +					&hw-
> > >notify_off_multiplier,
> > +					4, pos + sizeof(cap));
> > +			if (ret != 4)
> 
> Hi Luca,
> 
> This patch can't be backported, because it depends on an
> API change in newer release.
> 
> Thanks

Yes the one I made (lol!), you are right and I had already skipped
that, thanks for the reminder.

-- 
Kind regards,
Luca Boccassi