[NETFILTER]: ctnetlink: avoid unneccessary event message generation

[deliverable/linux.git] / net / netfilter / nfnetlink.c

diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 95fdf04f1d88d239b37bdc26e8aeaeee79b0187f..b88e82a1a987461dfae03f7686bdd348cc3c6d26 100644 (file)
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -191,6 +191,12 @@ nfnetlink_check_attributes(struct nfnetlink_subsystem *subsys,
         return 0;
 }
 
+int nfnetlink_has_listeners(unsigned int group)
+{
+       return netlink_has_listeners(nfnl, group);
+}
+EXPORT_SYMBOL_GPL(nfnetlink_has_listeners);
+
 int nfnetlink_send(struct sk_buff *skb, u32 pid, unsigned group, int echo)
 {
        gfp_t allocation = in_interrupt() ? GFP_ATOMIC : GFP_KERNEL;
@@ -212,7 +218,7 @@ int nfnetlink_unicast(struct sk_buff *skb, u_int32_t pid, int flags)
 }
 
 /* Process one complete nfnetlink message. */
-static inline int nfnetlink_rcv_msg(struct sk_buff *skb,
+static int nfnetlink_rcv_msg(struct sk_buff *skb,
                                    struct nlmsghdr *nlh, int *errp)
 {
        struct nfnl_callback *nc;