This patch is a subset of an already upstream patch, but this portion is useful
in earlier releases.
Please consider for stable.
If the add_buf operation fails, indicate failure to the caller.
Signed-off-by: Bruce Rogers <[email protected]>
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -318,6 +318,7 @@ static bool try_fill_recv_maxbufs(struct
skb_unlink(skb, &vi->recv);
trim_pages(vi, skb);
kfree_skb(skb);
+ oom = true;
break;
}
vi->num++;
@@ -368,6 +369,7 @@ static bool try_fill_recv(struct virtnet
if (err < 0) {
skb_unlink(skb, &vi->recv);
kfree_skb(skb);
+ oom = true;
break;
}
vi->num++;
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