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| author | Shan Wei <shanwei@cn.fujitsu.com> | 2010-02-11 00:12:45 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-02-15 21:49:49 -0800 |
| commit | 9546377c42e12513b33925ab829d893dcf521c5f (patch) | |
| tree | c025fb134016a1af53b601eacf51b37b89932048 | |
| parent | 564517e804c9c6d4e29c270bfc1517404d27107b (diff) | |
| download | linux-3.10-9546377c42e12513b33925ab829d893dcf521c5f.tar.gz linux-3.10-9546377c42e12513b33925ab829d893dcf521c5f.tar.bz2 linux-3.10-9546377c42e12513b33925ab829d893dcf521c5f.zip | |
IPv6: Delete redundant counter of IPSTATS_MIB_REASMFAILS
When no more memory can be allocated, fq_find() will return NULL and
increase the value of IPSTATS_MIB_REASMFAILS. In this case,
ipv6_frag_rcv() also increase the value of IPSTATS_MIB_REASMFAILS.
So, the patch deletes redundant counter of IPSTATS_MIB_REASMFAILS in fq_find().
and deletes the unused parameter of idev.
Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv6/reassembly.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index fa38fc7cc6e..fe27eb4264d 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -237,8 +237,7 @@ out: } static __inline__ struct frag_queue * -fq_find(struct net *net, __be32 id, struct in6_addr *src, struct in6_addr *dst, - struct inet6_dev *idev) +fq_find(struct net *net, __be32 id, struct in6_addr *src, struct in6_addr *dst) { struct inet_frag_queue *q; struct ip6_create_arg arg; @@ -254,13 +253,9 @@ fq_find(struct net *net, __be32 id, struct in6_addr *src, struct in6_addr *dst, q = inet_frag_find(&net->ipv6.frags, &ip6_frags, &arg, hash); if (q == NULL) - goto oom; + return NULL; return container_of(q, struct frag_queue, q); - -oom: - IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_REASMFAILS); - return NULL; } static int ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb, @@ -606,8 +601,8 @@ static int ipv6_frag_rcv(struct sk_buff *skb) if (atomic_read(&net->ipv6.frags.mem) > net->ipv6.frags.high_thresh) ip6_evictor(net, ip6_dst_idev(skb_dst(skb))); - if ((fq = fq_find(net, fhdr->identification, &hdr->saddr, &hdr->daddr, - ip6_dst_idev(skb_dst(skb)))) != NULL) { + fq = fq_find(net, fhdr->identification, &hdr->saddr, &hdr->daddr); + if (fq != NULL) { int ret; spin_lock(&fq->q.lock); |