From 57c4bf859cad9d6c4f73d8c98a95e00f156301e0 Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Wed, 7 Oct 2015 16:48:44 -0500 Subject: [PATCH] ipvlan: Cache net in ipvlan_process_v4_outbound and ipvlan_process_v6_outbound Compute net once in ipvlan_process_v4_outbound and ipvlan_process_v6_outbound and store it in a variable so that net does not need to be recomputed next time it is used. Signed-off-by: "Eric W. Biederman" Signed-off-by: David S. Miller --- drivers/net/ipvlan/ipvlan_core.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c index 75dcf36c0366..976f30b291f6 100644 --- a/drivers/net/ipvlan/ipvlan_core.c +++ b/drivers/net/ipvlan/ipvlan_core.c @@ -344,6 +344,7 @@ static int ipvlan_process_v4_outbound(struct sk_buff *skb) { const struct iphdr *ip4h = ip_hdr(skb); struct net_device *dev = skb->dev; + struct net *net = dev_net(dev); struct rtable *rt; int err, ret = NET_XMIT_DROP; struct flowi4 fl4 = { @@ -354,7 +355,7 @@ static int ipvlan_process_v4_outbound(struct sk_buff *skb) .saddr = ip4h->saddr, }; - rt = ip_route_output_flow(dev_net(dev), &fl4, NULL); + rt = ip_route_output_flow(net, &fl4, NULL); if (IS_ERR(rt)) goto err; @@ -381,6 +382,7 @@ static int ipvlan_process_v6_outbound(struct sk_buff *skb) { const struct ipv6hdr *ip6h = ipv6_hdr(skb); struct net_device *dev = skb->dev; + struct net *net = dev_net(dev); struct dst_entry *dst; int err, ret = NET_XMIT_DROP; struct flowi6 fl6 = { @@ -393,7 +395,7 @@ static int ipvlan_process_v6_outbound(struct sk_buff *skb) .flowi6_proto = ip6h->nexthdr, }; - dst = ip6_route_output(dev_net(dev), NULL, &fl6); + dst = ip6_route_output(net, NULL, &fl6); if (dst->error) { ret = dst->error; dst_release(dst); -- 2.20.1