From: Florian Westphal Date: Wed, 4 Mar 2015 23:52:36 +0000 (+0100) Subject: netfilter: bridge: refactor conditional in br_nf_dev_queue_xmit X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7a8d831df5811f49957cc9b7976319973d088c34;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git netfilter: bridge: refactor conditional in br_nf_dev_queue_xmit simpilifies followup patch that re-works brnf ip_fragment handling. Signed-off-by: Florian Westphal Signed-off-by: Pablo Neira Ayuso --- diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index 5b3bceb3ee62..ef1fe281ca11 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -803,13 +803,16 @@ static int br_nf_dev_queue_xmit(struct sk_buff *skb) { int ret; int frag_max_size; + unsigned int mtu_reserved; + if (skb_is_gso(skb) || skb->protocol != htons(ETH_P_IP)) + return br_dev_queue_push_xmit(skb); + + mtu_reserved = nf_bridge_mtu_reduction(skb); /* This is wrong! We should preserve the original fragment * boundaries by preserving frag_list rather than refragmenting. */ - if (skb->protocol == htons(ETH_P_IP) && - skb->len + nf_bridge_mtu_reduction(skb) > skb->dev->mtu && - !skb_is_gso(skb)) { + if (skb->len + mtu_reserved > skb->dev->mtu) { frag_max_size = BR_INPUT_SKB_CB(skb)->frag_max_size; if (br_parse_ip_options(skb)) /* Drop invalid packet */