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authorDavid S. Miller <davem@davemloft.net>2012-08-31 15:14:10 -0400
committerDavid S. Miller <davem@davemloft.net>2012-08-31 15:14:18 -0400
commitc32f38619af6302da58835fb292b159bdd96d11f (patch)
treea5bb4a9c51999557eaa919f27369c70811cd813c /net/ipv4/route.c
parent761743ebc92df72053e736fce953a5d2e90099d5 (diff)
parent0dcd5052c8543ef999bcd252cee50b7ae8111e89 (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Merge the 'net' tree to get the recent set of netfilter bug fixes in order to assist with some merge hassles Pablo is going to have to deal with for upcoming changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/route.c')
-rw-r--r--net/ipv4/route.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 50f6d3adb474..d2d1e153e7c4 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -934,12 +934,14 @@ static u32 __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu)
if (mtu < ip_rt_min_pmtu)
mtu = ip_rt_min_pmtu;
+ rcu_read_lock();
if (fib_lookup(dev_net(rt->dst.dev), fl4, &res) == 0) {
struct fib_nh *nh = &FIB_RES_NH(res);
update_or_create_fnhe(nh, fl4->daddr, 0, mtu,
jiffies + ip_rt_mtu_expires);
}
+ rcu_read_unlock();
return mtu;
}
@@ -956,7 +958,7 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, struct sock *sk,
dst->obsolete = DST_OBSOLETE_KILL;
} else {
rt->rt_pmtu = mtu;
- dst_set_expires(&rt->dst, ip_rt_mtu_expires);
+ rt->dst.expires = max(1UL, jiffies + ip_rt_mtu_expires);
}
}
@@ -1263,7 +1265,7 @@ static void ipv4_dst_destroy(struct dst_entry *dst)
{
struct rtable *rt = (struct rtable *) dst;
- if (dst->flags & DST_NOCACHE) {
+ if (!list_empty(&rt->rt_uncached)) {
spin_lock_bh(&rt_uncached_lock);
list_del(&rt->rt_uncached);
spin_unlock_bh(&rt_uncached_lock);