Message ID | 1520609682-101077-3-git-send-email-u9012063@gmail.com |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
Series | a couple of erspan fixes | expand |
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index a056c2bb4b9a..4ab476d3a46e 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -948,6 +948,8 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb, md->u.md2.dir, get_hwid(&md->u.md2), truncate, false); + } else { + goto tx_err; } } else { switch (skb->protocol) {
When users fill in incorrect erspan version number through the struct erspan_metadata uapi, current code skips pushing the erspan header but continue pushing the gre header, which is incorrect. The patch fixes it by returning error. Signed-off-by: William Tu <u9012063@gmail.com> --- net/ipv6/ip6_gre.c | 2 ++ 1 file changed, 2 insertions(+)