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| author | David S. Miller <davem@davemloft.net> | 2012-07-10 03:58:16 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-07-10 22:40:11 -0700 |
| commit | 1d861aa4b3fb08822055345f480850205ffe6170 (patch) | |
| tree | 072c23dcde7766274464c75e51e820649301ad82 /net/ipv4/icmp.c | |
| parent | 16d1839907e695387654901995f9286b65fbbc6a (diff) | |
| download | linux-stable-1d861aa4b3fb08822055345f480850205ffe6170.tar.gz linux-stable-1d861aa4b3fb08822055345f480850205ffe6170.tar.bz2 linux-stable-1d861aa4b3fb08822055345f480850205ffe6170.zip | |
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.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 4bce5a2830aa..4a049449305f 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; |