Messages in this thread Patch in this message | | | Date | Wed, 29 Mar 2017 15:37:37 +0300 | From | "Michael S. Tsirkin" <> | Subject | [PATCH] virtio_net: fix mergeable bufs error handling |
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On xdp error we try to free head_skb without having initialized it, that's clearly bogus.
Fixes: f600b6905015 ("virtio_net: Add XDP support") Cc: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- drivers/net/virtio_net.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 11773d6..e0fb3707 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -570,7 +570,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev, u16 num_buf; struct page *page; int offset; - struct sk_buff *head_skb, *curr_skb; + struct sk_buff *head_skb = NULL, *curr_skb; struct bpf_prog *xdp_prog; unsigned int truesize; -- MST
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