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authorDavid S. Miller <davem@davemloft.net>2011-11-26 14:47:03 -0500
committerDavid S. Miller <davem@davemloft.net>2011-11-26 14:47:03 -0500
commit6dec4ac4ee1ad894dc0e9647cd3e180f93fc353c (patch)
treecd71e597bbbe677820bb229c6aedbad412758959 /net/xfrm
parentd6f03f29f7cdf064289f941bf0b838348e996e65 (diff)
parentfc0b927d9a5024e138c4318fe19a590f23e3eeec (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: net/ipv4/inet_diag.c
Diffstat (limited to 'net/xfrm')
-rw-r--r--net/xfrm/xfrm_policy.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 593c8a1f1440..4fce1cec193e 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2382,9 +2382,11 @@ static unsigned int xfrm_default_advmss(const struct dst_entry *dst)
return dst_metric_advmss(dst->path);
}
-static unsigned int xfrm_default_mtu(const struct dst_entry *dst)
+static unsigned int xfrm_mtu(const struct dst_entry *dst)
{
- return dst_mtu(dst->path);
+ unsigned int mtu = dst_metric_raw(dst, RTAX_MTU);
+
+ return mtu ? : dst_mtu(dst->path);
}
static struct neighbour *xfrm_neigh_lookup(const struct dst_entry *dst, const void *daddr)
@@ -2411,8 +2413,8 @@ int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
dst_ops->check = xfrm_dst_check;
if (likely(dst_ops->default_advmss == NULL))
dst_ops->default_advmss = xfrm_default_advmss;
- if (likely(dst_ops->default_mtu == NULL))
- dst_ops->default_mtu = xfrm_default_mtu;
+ if (likely(dst_ops->mtu == NULL))
+ dst_ops->mtu = xfrm_mtu;
if (likely(dst_ops->negative_advice == NULL))
dst_ops->negative_advice = xfrm_negative_advice;
if (likely(dst_ops->link_failure == NULL))