diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index cebedd545e5e2863afcfe116309725e2cd57206c..927f1d4b8c80431f3067e101ccf9ed7f37c65435 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -1192,6 +1192,18 @@ static int inet_gifconf(struct net_device *dev, char __user *buf, int len) return done; } +static __be32 in_dev_select_addr(const struct in_device *in_dev, + int scope) +{ + for_primary_ifa(in_dev) { + if (ifa->ifa_scope != RT_SCOPE_LINK && + ifa->ifa_scope <= scope) + return ifa->ifa_local; + } endfor_ifa(in_dev); + + return 0; +} + __be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope) { __be32 addr = 0; @@ -1228,13 +1240,9 @@ __be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope) if (master_idx && (dev = dev_get_by_index_rcu(net, master_idx)) && (in_dev = __in_dev_get_rcu(dev))) { - for_primary_ifa(in_dev) { - if (ifa->ifa_scope != RT_SCOPE_LINK && - ifa->ifa_scope <= scope) { - addr = ifa->ifa_local; - goto out_unlock; - } - } endfor_ifa(in_dev); + addr = in_dev_select_addr(in_dev, scope); + if (addr) + goto out_unlock; } /* Not loopback addresses on loopback should be preferred @@ -1249,13 +1257,9 @@ __be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope) if (!in_dev) continue; - for_primary_ifa(in_dev) { - if (ifa->ifa_scope != RT_SCOPE_LINK && - ifa->ifa_scope <= scope) { - addr = ifa->ifa_local; - goto out_unlock; - } - } endfor_ifa(in_dev); + addr = in_dev_select_addr(in_dev, scope); + if (addr) + goto out_unlock; } out_unlock: rcu_read_unlock();