diff options
author | Takashi Iwai <tiwai@suse.de> | 2016-05-10 16:06:04 +0200 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2016-05-10 16:06:04 +0200 |
commit | 2e00fde5c6ed8535244332ebb55e881baa54ae46 (patch) | |
tree | f578e02ef1dc6e59630f09404bb2f58500876811 /net/ipv4/route.c | |
parent | 39f0ccde3624e7cf882faccf7f72a47b7a763bfb (diff) | |
parent | 3231e2053eaeee70bdfb216a78a30f11e88e2243 (diff) | |
download | linux-stable-2e00fde5c6ed8535244332ebb55e881baa54ae46.tar.gz linux-stable-2e00fde5c6ed8535244332ebb55e881baa54ae46.tar.bz2 linux-stable-2e00fde5c6ed8535244332ebb55e881baa54ae46.zip |
Merge branch 'for-linus' into for-next
Diffstat (limited to 'net/ipv4/route.c')
-rw-r--r-- | net/ipv4/route.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 02c62299d717..60398a9370e7 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1438,9 +1438,9 @@ static void rt_set_nexthop(struct rtable *rt, __be32 daddr, #endif } -static struct rtable *rt_dst_alloc(struct net_device *dev, - unsigned int flags, u16 type, - bool nopolicy, bool noxfrm, bool will_cache) +struct rtable *rt_dst_alloc(struct net_device *dev, + unsigned int flags, u16 type, + bool nopolicy, bool noxfrm, bool will_cache) { struct rtable *rt; @@ -1468,6 +1468,7 @@ static struct rtable *rt_dst_alloc(struct net_device *dev, return rt; } +EXPORT_SYMBOL(rt_dst_alloc); /* called in rcu_read_lock() section */ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr, @@ -2045,6 +2046,18 @@ static struct rtable *__mkroute_output(const struct fib_result *res, */ if (fi && res->prefixlen < 4) fi = NULL; + } else if ((type == RTN_LOCAL) && (orig_oif != 0) && + (orig_oif != dev_out->ifindex)) { + /* For local routes that require a particular output interface + * we do not want to cache the result. Caching the result + * causes incorrect behaviour when there are multiple source + * addresses on the interface, the end result being that if the + * intended recipient is waiting on that interface for the + * packet he won't receive it because it will be delivered on + * the loopback interface and the IP_PKTINFO ipi_ifindex will + * be set to the loopback interface as well. + */ + fi = NULL; } fnhe = NULL; |