Since nf_bridge_maybe_copy_header() may change the length of skb, we should check the length of skb after it to handle the ppoe skbs.
Signed-off-by: Changli Gao <[email protected]> --- net/bridge/br_forward.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c index 2bd11ec..ee64287 100644 --- a/net/bridge/br_forward.c +++ b/net/bridge/br_forward.c @@ -41,17 +41,13 @@ static inline unsigned packet_length(const struct sk_buff *skb) int br_dev_queue_push_xmit(struct sk_buff *skb) { - /* drop mtu oversized packets except gso */ - if (packet_length(skb) > skb->dev->mtu && !skb_is_gso(skb)) + /* ip_fragment doesn't copy the MAC header */ + if (nf_bridge_maybe_copy_header(skb) || + (packet_length(skb) > skb->dev->mtu && !skb_is_gso(skb))) { kfree_skb(skb); - else { - /* ip_fragment doesn't copy the MAC header */ - if (nf_bridge_maybe_copy_header(skb)) - kfree_skb(skb); - else { - skb_push(skb, ETH_HLEN); - dev_queue_xmit(skb); - } + } else { + skb_push(skb, ETH_HLEN); + dev_queue_xmit(skb); } return 0; _______________________________________________ Bridge mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/bridge
