[dpdk-dev] [PATCH] virtio: fix wrong features returned for legacy virtio

[Thomas Monjalon]

2016-03-10 08:43, David Marchand:
> On Thu, Mar 10, 2016 at 8:01 AM, Yuanhan Liu
> <yuanhan.liu at linux.intel.com> wrote:
> > Declare dst as type uint32_t instead of uint64_t, otherwise, we will get
> > a random upper 32 bit feature bits, as the following io port read reads
> > lower 32 bit only. It could lead a feature bits that include VIRTIO_F_VERSION_1
> > (the 32th bit) for legacy virtio, which is obviously wrong.
> >
> > Fixes: b8f04520ad71 ("virtio: use PCI ioport API")
> >
> > Cc: David Marchand <david.marchand at 6wind.com>
> > Signed-off-by: Yuanhan Liu <yuanhan.liu at linux.intel.com>
> 
> Argh, good catch.
> Relooked at my patch, this should be the only bug (of this kind ;-)).
> 
> Reviewed-by: David Marchand <david.marchand at 6wind.com>

Applied, thanks