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| author | Eric W. Biederman <ebiederm@xmission.com> | 2015-09-15 20:03:59 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-09-17 17:18:34 -0700 |
| commit | 26a949dbd5595b987bf199be4442136e9288a93e (patch) | |
| tree | 03c46ef5d85dd7718f8386b9b3542c3d90bec754 | |
| parent | cc4c851e4b41d668075d7cb6c71e3725bc5d4662 (diff) | |
| download | linux-stable-26a949dbd5595b987bf199be4442136e9288a93e.tar.gz linux-stable-26a949dbd5595b987bf199be4442136e9288a93e.tar.bz2 linux-stable-26a949dbd5595b987bf199be4442136e9288a93e.zip | |
ipv4: Only compute net once in ip_do_fragment
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv4/ip_output.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 9ee622ad8dfa..85b72d450184 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -531,9 +531,11 @@ int ip_do_fragment(struct sock *sk, struct sk_buff *skb, int offset; __be16 not_last_frag; struct rtable *rt = skb_rtable(skb); + struct net *net; int err = 0; dev = rt->dst.dev; + net = dev_net(dev); /* * Point into the IP datagram header. @@ -626,7 +628,7 @@ int ip_do_fragment(struct sock *sk, struct sk_buff *skb, err = output(sk, skb); if (!err) - IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGCREATES); + IP_INC_STATS(net, IPSTATS_MIB_FRAGCREATES); if (err || !frag) break; @@ -636,7 +638,7 @@ int ip_do_fragment(struct sock *sk, struct sk_buff *skb, } if (err == 0) { - IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGOKS); + IP_INC_STATS(net, IPSTATS_MIB_FRAGOKS); return 0; } @@ -645,7 +647,7 @@ int ip_do_fragment(struct sock *sk, struct sk_buff *skb, kfree_skb(frag); frag = skb; } - IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGFAILS); + IP_INC_STATS(net, IPSTATS_MIB_FRAGFAILS); return err; slow_path_clean: @@ -767,15 +769,15 @@ slow_path: if (err) goto fail; - IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGCREATES); + IP_INC_STATS(net, IPSTATS_MIB_FRAGCREATES); } consume_skb(skb); - IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGOKS); + IP_INC_STATS(net, IPSTATS_MIB_FRAGOKS); return err; fail: kfree_skb(skb); - IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGFAILS); + IP_INC_STATS(net, IPSTATS_MIB_FRAGFAILS); return err; } EXPORT_SYMBOL(ip_do_fragment); |