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" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c
index 75dcf36..976f30b 100644
--- a/drivers/net/ipvlan/ipvlan_core.c
+++ b/drivers/net/ipvlan/ipvlan_core.c
@@ -344,6 +344,7 @@
{
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 @@
.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 @@
{
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 @@
.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);