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| author | Jeff Garzik <jeff@garzik.org> | 2006-07-29 01:39:26 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-07-29 01:39:26 -0400 |
| commit | 5b85f29ca453d56d83cdffa075d615583bb8fb72 (patch) | |
| tree | a553754dcef01a22a6bd6e2eeb2fd4eb69bf5b37 /net/ipv4/ipmr.c | |
| parent | 48cb37bd9e053429aacb7c2726da3300aba60c68 (diff) | |
| parent | ab3b3fd38125be0242c2f94bf144b48054210882 (diff) | |
| download | kernel-crypto-5b85f29ca453d56d83cdffa075d615583bb8fb72.tar.gz kernel-crypto-5b85f29ca453d56d83cdffa075d615583bb8fb72.tar.xz kernel-crypto-5b85f29ca453d56d83cdffa075d615583bb8fb72.zip | |
Merge branch 'upstream-fixes' into upstream
Diffstat (limited to 'net/ipv4/ipmr.c')
| -rw-r--r-- | net/ipv4/ipmr.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 9ccacf57f08..85893eef6b1 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -1578,6 +1578,7 @@ int ipmr_get_route(struct sk_buff *skb, struct rtmsg *rtm, int nowait) cache = ipmr_cache_find(rt->rt_src, rt->rt_dst); if (cache==NULL) { + struct sk_buff *skb2; struct net_device *dev; int vif; @@ -1591,12 +1592,18 @@ int ipmr_get_route(struct sk_buff *skb, struct rtmsg *rtm, int nowait) read_unlock(&mrt_lock); return -ENODEV; } - skb->nh.raw = skb_push(skb, sizeof(struct iphdr)); - skb->nh.iph->ihl = sizeof(struct iphdr)>>2; - skb->nh.iph->saddr = rt->rt_src; - skb->nh.iph->daddr = rt->rt_dst; - skb->nh.iph->version = 0; - err = ipmr_cache_unresolved(vif, skb); + skb2 = skb_clone(skb, GFP_ATOMIC); + if (!skb2) { + read_unlock(&mrt_lock); + return -ENOMEM; + } + + skb2->nh.raw = skb_push(skb2, sizeof(struct iphdr)); + skb2->nh.iph->ihl = sizeof(struct iphdr)>>2; + skb2->nh.iph->saddr = rt->rt_src; + skb2->nh.iph->daddr = rt->rt_dst; + skb2->nh.iph->version = 0; + err = ipmr_cache_unresolved(vif, skb2); read_unlock(&mrt_lock); return err; } |