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| author | David S. Miller <davem@davemloft.net> | 2016-11-15 10:54:36 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-11-15 10:54:36 -0500 |
| commit | bb598c1b8c9bf56981927dcb8c0dc34b8ff95342 (patch) | |
| tree | 69fe6d3bcdbf0acb76e42b144d8af5a0234ccdcb /net/ipv6/route.c | |
| parent | eb2ca35f1814dad3ca547261eedfbbd0d65a0efc (diff) | |
| parent | e76d21c40bd6c67fd4e2c1540d77e113df962b4d (diff) | |
| download | lwn-bb598c1b8c9bf56981927dcb8c0dc34b8ff95342.tar.gz lwn-bb598c1b8c9bf56981927dcb8c0dc34b8ff95342.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Several cases of bug fixes in 'net' overlapping other changes in
'net-next-.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/route.c')
| -rw-r--r-- | net/ipv6/route.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 6aa014eedccd..b317bb135ed4 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1364,6 +1364,9 @@ static void __ip6_rt_update_pmtu(struct dst_entry *dst, const struct sock *sk, if (rt6->rt6i_flags & RTF_LOCAL) return; + if (dst_metric_locked(dst, RTAX_MTU)) + return; + dst_confirm(dst); mtu = max_t(u32, mtu, IPV6_MIN_MTU); if (mtu >= dst_mtu(dst)) @@ -2763,6 +2766,7 @@ static int rt6_mtu_change_route(struct rt6_info *rt, void *p_arg) PMTU discouvery. */ if (rt->dst.dev == arg->dev && + dst_metric_raw(&rt->dst, RTAX_MTU) && !dst_metric_locked(&rt->dst, RTAX_MTU)) { if (rt->rt6i_flags & RTF_CACHE) { /* For RTF_CACHE with rt6i_pmtu == 0 |