diff options
| author |   David S. Miller <davem@davemloft.net> | 2018-10-12 21:38:46 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-10-12 21:38:46 -0700 |
| commit | d864991b220b7c62e81d21209e1fd978fd67352c (patch) | |
| tree | b570a1ad6fc1b959c5bcda6ceca0b321319c01e0 /net/ipv4/route.c | |
| parent | Merge branch 's390-qeth-next' (diff) | |
| parent | Merge tag 'armsoc-fixes-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc (diff) | |
| download | linux-dev-d864991b220b7c62e81d21209e1fd978fd67352c.tar.xz linux-dev-d864991b220b7c62e81d21209e1fd978fd67352c.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts were easy to resolve using immediate context mostly,
except the cls_u32.c one where I simply too the entire HEAD
chunk.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/route.c')
| -rw-r--r-- | net/ipv4/route.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index f71d2395c428..c0a9d26c06ce 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1001,21 +1001,22 @@ out: kfree_skb(skb); static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu) { struct dst_entry *dst = &rt->dst; + u32 old_mtu = ipv4_mtu(dst); struct fib_result res; bool lock = false; if (ip_mtu_locked(dst)) return; - if (ipv4_mtu(dst) < mtu) + if (old_mtu < mtu) return; if (mtu < ip_rt_min_pmtu) { lock = true; - mtu = ip_rt_min_pmtu; + mtu = min(old_mtu, ip_rt_min_pmtu); } - if (rt->rt_pmtu == mtu && + if (rt->rt_pmtu == mtu && !lock && time_before(jiffies, dst->expires - ip_rt_mtu_expires / 2)) return; |