[dpdk-dev] [PATCH v6 2/2] net/virtio: fix PCI config err handling

Luca Boccassi bluca at debian.org
Thu Oct 11 12:53:12 CEST 2018


On Thu, 2018-10-11 at 12:27 +0200, Thomas Monjalon wrote:
> 28/08/2018 12:12, Luca Boccassi:
> > From: Brian Russell <brussell at brocade.com>
> > 
> > In virtio_read_caps and vtpci_msix_detect, rte_pci_read_config
> > returns
> > the number of bytes read from PCI config or < 0 on error.
> > If less than the expected number of bytes are read then log the
> > failure and return rather than carrying on with garbage.
> > 
> > Fixes: 6ba1f63b5ab0 ("virtio: support specification 1.0")
> > 
> > Signed-off-by: Brian Russell <brussell at brocade.com>
> > Signed-off-by: Luca Boccassi <bluca at debian.org>
> > ---
> > v2: handle additional rte_pci_read_config incomplete reads
> > v3: do not handle rte_pci_read_config of virtio cap, added in v2,
> >     as it's less clear what the right thing to do there is
> > v4: do a more robust check - first check what the vendor is, and
> >     skip the cap entirely if it's not what we are looking for.
> > v5: fetch only 2 flags bytes if the vndr is PCI_CAP_ID_MSIX
> > v6: fix 32bit build by changing the printf format specifier, fix
> > patch title
> 
> Tiwei did a comment on v5 and provided his Reviewed-by.
> Is it OK to apply v6 with its tag?
> All is fixed?

Hi,

The title has been fixed (virtio -> net/virtio) and I just tried a
32bit build and it works fine after the fix from v6.

-- 
Kind regards,
Luca Boccassi


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