From: Jason Wang <[email protected]>
Date: Tue, 31 Jul 2018 17:43:38 +0800
> Commit 5b8f3c8d30a6 ("virtio_net: Add XDP related stats") tries to
> count TX XDP stats in virtnet_receive(). This will cause several
> issues:
>
> - virtnet_xdp_sq() was called without checking whether or not XDP is
> set. This may cause out of bound access when there's no enough txq
> for XDP.
> - Stats were updated even if there's no XDP/XDP_TX.
>
> Fixing this by reusing virtnet_xdp_xmit() for XDP_TX which can counts
> TX XDP counter itself and remove the unnecessary tx stats embedded in
> rx stats.
>
> Reported-by: [email protected]
> Fixes: 5b8f3c8d30a6 ("virtio_net: Add XDP related stats")
> Cc: Toshiaki Makita <[email protected]>
> Signed-off-by: Jason Wang <[email protected]>
Applied.
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