diff options
Diffstat (limited to 'net/ipv4/arp.c')
| -rw-r--r-- | net/ipv4/arp.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c index f094b75810db..cf78f41830ca 100644 --- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c @@ -427,7 +427,7 @@ static int arp_filter(__be32 sip, __be32 tip, struct net_device *dev) if (ip_route_output_key(net, &rt, &fl) < 0) return 1; - if (rt->u.dst.dev != dev) { + if (rt->dst.dev != dev) { NET_INC_STATS_BH(net, LINUX_MIB_ARPFILTER); flag = 1; } @@ -532,7 +532,7 @@ static inline int arp_fwd_proxy(struct in_device *in_dev, struct in_device *out_dev; int imi, omi = -1; - if (rt->u.dst.dev == dev) + if (rt->dst.dev == dev) return 0; if (!IN_DEV_PROXY_ARP(in_dev)) @@ -545,10 +545,10 @@ static inline int arp_fwd_proxy(struct in_device *in_dev, /* place to check for proxy_arp for routes */ - if ((out_dev = in_dev_get(rt->u.dst.dev)) != NULL) { + out_dev = __in_dev_get_rcu(rt->dst.dev); + if (out_dev) omi = IN_DEV_MEDIUM_ID(out_dev); - in_dev_put(out_dev); - } + return (omi != imi && omi != -1); } @@ -576,7 +576,7 @@ static inline int arp_fwd_pvlan(struct in_device *in_dev, __be32 sip, __be32 tip) { /* Private VLAN is only concerned about the same ethernet segment */ - if (rt->u.dst.dev != dev) + if (rt->dst.dev != dev) return 0; /* Don't reply on self probes (often done by windowz boxes)*/ @@ -741,7 +741,7 @@ void arp_send(int type, int ptype, __be32 dest_ip, static int arp_process(struct sk_buff *skb) { struct net_device *dev = skb->dev; - struct in_device *in_dev = in_dev_get(dev); + struct in_device *in_dev = __in_dev_get_rcu(dev); struct arphdr *arp; unsigned char *arp_ptr; struct rtable *rt; @@ -890,7 +890,6 @@ static int arp_process(struct sk_buff *skb) arp_send(ARPOP_REPLY,ETH_P_ARP,sip,dev,tip,sha,dev->dev_addr,sha); } else { pneigh_enqueue(&arp_tbl, in_dev->arp_parms, skb); - in_dev_put(in_dev); return 0; } goto out; @@ -936,8 +935,6 @@ static int arp_process(struct sk_buff *skb) } out: - if (in_dev) - in_dev_put(in_dev); consume_skb(skb); return 0; } @@ -1045,7 +1042,7 @@ static int arp_req_set(struct net *net, struct arpreq *r, struct rtable * rt; if ((err = ip_route_output_key(net, &rt, &fl)) != 0) return err; - dev = rt->u.dst.dev; + dev = rt->dst.dev; ip_rt_put(rt); if (!dev) return -EINVAL; @@ -1152,7 +1149,7 @@ static int arp_req_delete(struct net *net, struct arpreq *r, struct rtable * rt; if ((err = ip_route_output_key(net, &rt, &fl)) != 0) return err; - dev = rt->u.dst.dev; + dev = rt->dst.dev; ip_rt_put(rt); if (!dev) return -EINVAL; |