X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fnetfilter%2Fnfnetlink.c;h=b88e82a1a987461dfae03f7686bdd348cc3c6d26;hb=d62e54abca1146981fc9f98f85ff398a113a22c2;hp=a60c59b97631abbb51dda4268dc50fa000445fb4;hpb=9b152d53b763d99802f5948cf4c9eb9e15c07178;p=linux-2.6

diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index a60c59b976..b88e82a1a9 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -162,7 +162,7 @@ nfnetlink_check_attributes(struct nfnetlink_subsystem *subsys,
 		return -EINVAL;
 	}
 
-	min_len = NLMSG_ALIGN(sizeof(struct nfgenmsg));
+	min_len = NLMSG_SPACE(sizeof(struct nfgenmsg));
 	if (unlikely(nlh->nlmsg_len < min_len))
 		return -EINVAL;
 
@@ -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;
@@ -236,8 +242,7 @@ static inline int nfnetlink_rcv_msg(struct sk_buff *skb,
 	}
 
 	/* All the messages must at least contain nfgenmsg */
-	if (nlh->nlmsg_len < 
-			NLMSG_LENGTH(NLMSG_ALIGN(sizeof(struct nfgenmsg)))) {
+	if (nlh->nlmsg_len < NLMSG_SPACE(sizeof(struct nfgenmsg))) {
 		DEBUGP("received message was too short\n");
 		return 0;
 	}