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authorDavid S. Miller <davem@davemloft.net>2012-07-10 03:58:16 -0700
committerDavid S. Miller <davem@davemloft.net>2012-07-10 22:40:11 -0700
commit1d861aa4b3fb08822055345f480850205ffe6170 (patch)
tree072c23dcde7766274464c75e51e820649301ad82 /net/ipv4/icmp.c
parent16d1839907e695387654901995f9286b65fbbc6a (diff)
downloadop-kernel-dev-1d861aa4b3fb08822055345f480850205ffe6170.zip
op-kernel-dev-1d861aa4b3fb08822055345f480850205ffe6170.tar.gz
inet: Minimize use of cached route inetpeer.
Only use it in the absolutely required cases: 1) COW'ing metrics 2) ipv4 PMTU 3) ipv4 redirects Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/icmp.c')
-rw-r--r--net/ipv4/icmp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 4bce5a2..4a04944 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -254,9 +254,10 @@ static inline bool icmpv4_xrlim_allow(struct net *net, struct rtable *rt,
/* Limit if icmp type is enabled in ratemask. */
if ((1 << type) & net->ipv4.sysctl_icmp_ratemask) {
- struct inet_peer *peer = rt_get_peer_create(rt, fl4->daddr);
+ struct inet_peer *peer = inet_getpeer_v4(net->ipv4.peers, fl4->daddr, 1);
rc = inet_peer_xrlim_allow(peer,
net->ipv4.sysctl_icmp_ratelimit);
+ inet_putpeer(peer);
}
out:
return rc;
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