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| author | Patrick McHardy <kaber@trash.net> | 2006-03-20 18:03:59 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2006-03-20 18:03:59 -0800 |
| commit | a24276924875802853b5bdc12c56d29f1c1bbc79 (patch) | |
| tree | 5725689bf434004143ae875bbfee3d3d29ddcdb0 /include | |
| parent | c4b885139203d37f76662c37ae645fe8e0f4e4e5 (diff) | |
| download | linux-3.10-a24276924875802853b5bdc12c56d29f1c1bbc79.tar.gz linux-3.10-a24276924875802853b5bdc12c56d29f1c1bbc79.tar.bz2 linux-3.10-a24276924875802853b5bdc12c56d29f1c1bbc79.zip | |
[NETFILTER]: ctnetlink: avoid unneccessary event message generation
Avoid unneccessary event message generation by checking for netlink
listeners before building a message.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/netfilter/nfnetlink.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h index 934a2479f16..9f5b12cf489 100644 --- a/include/linux/netfilter/nfnetlink.h +++ b/include/linux/netfilter/nfnetlink.h @@ -164,6 +164,7 @@ extern void nfattr_parse(struct nfattr *tb[], int maxattr, __res; \ }) +extern int nfnetlink_has_listeners(unsigned int group); extern int nfnetlink_send(struct sk_buff *skb, u32 pid, unsigned group, int echo); extern int nfnetlink_unicast(struct sk_buff *skb, u_int32_t pid, int flags); |