[PATCH] virtio_net: fix mergeable bufs error handling
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STALE3482d
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: 2017-03-29 12:37:41
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Subsystem:
networking drivers, the rest, virtio net driver · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, "Michael S. Tsirkin", Jason Wang, Eugenio Pérez
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