netfilter 01/09: remove "happy cracking" message

Don't spam logs for locally generated short packets. these can only
be generated by root.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

5 files changed, 5 insertions, 25 deletions

diff --git a/net/ipv4/netfilter/iptable_filter.c b/net/ipv4/netfilter/iptable_filter.c
index c922431..52cb693 100644
--- a/net/ipv4/netfilter/iptable_filter.c
+++ b/net/ipv4/netfilter/iptable_filter.c
@@ -93,13 +93,8 @@ ipt_local_out_hook(unsigned int hook,
 {
 	/* root is playing with raw sockets. */
 	if (skb->len < sizeof(struct iphdr) ||
-	    ip_hdrlen(skb) < sizeof(struct iphdr)) {
-		if (net_ratelimit())
-			printk("iptable_filter: ignoring short SOCK_RAW "
-			       "packet.\n");
+	    ip_hdrlen(skb) < sizeof(struct iphdr))
 		return NF_ACCEPT;
-	}
-
 	return ipt_do_table(skb, hook, in, out,
 			    dev_net(out)->ipv4.iptable_filter);
 }
diff --git a/net/ipv4/netfilter/iptable_mangle.c b/net/ipv4/netfilter/iptable_mangle.c
index 69f2c42..3929d20 100644
--- a/net/ipv4/netfilter/iptable_mangle.c
+++ b/net/ipv4/netfilter/iptable_mangle.c
@@ -132,12 +132,8 @@ ipt_local_hook(unsigned int hook,
 
 	/* root is playing with raw sockets. */
 	if (skb->len < sizeof(struct iphdr)
-	    || ip_hdrlen(skb) < sizeof(struct iphdr)) {
-		if (net_ratelimit())
-			printk("iptable_mangle: ignoring short SOCK_RAW "
-			       "packet.\n");
+	    || ip_hdrlen(skb) < sizeof(struct iphdr))
 		return NF_ACCEPT;
-	}
 
 	/* Save things which could affect route */
 	mark = skb->mark;
diff --git a/net/ipv4/netfilter/iptable_raw.c b/net/ipv4/netfilter/iptable_raw.c
index 8faebfe..7f65d18 100644
--- a/net/ipv4/netfilter/iptable_raw.c
+++ b/net/ipv4/netfilter/iptable_raw.c
@@ -65,12 +65,8 @@ ipt_local_hook(unsigned int hook,
 {
 	/* root is playing with raw sockets. */
 	if (skb->len < sizeof(struct iphdr) ||
-	    ip_hdrlen(skb) < sizeof(struct iphdr)) {
-		if (net_ratelimit())
-			printk("iptable_raw: ignoring short SOCK_RAW "
-			       "packet.\n");
+	    ip_hdrlen(skb) < sizeof(struct iphdr))
 		return NF_ACCEPT;
-	}
 	return ipt_do_table(skb, hook, in, out,
 			    dev_net(out)->ipv4.iptable_raw);
 }
diff --git a/net/ipv4/netfilter/iptable_security.c b/net/ipv4/netfilter/iptable_security.c
index 36f3be3..a52a35f 100644
--- a/net/ipv4/netfilter/iptable_security.c
+++ b/net/ipv4/netfilter/iptable_security.c
@@ -96,12 +96,8 @@ ipt_local_out_hook(unsigned int hook,
 {
 	/* Somebody is playing with raw sockets. */
 	if (skb->len < sizeof(struct iphdr)
-	    || ip_hdrlen(skb) < sizeof(struct iphdr)) {
-		if (net_ratelimit())
-			printk(KERN_INFO "iptable_security: ignoring short "
-			       "SOCK_RAW packet.\n");
+	    || ip_hdrlen(skb) < sizeof(struct iphdr))
 		return NF_ACCEPT;
-	}
 	return ipt_do_table(skb, hook, in, out,
 			    dev_net(out)->ipv4.iptable_security);
 }
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index b2141e1..4beb04f 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -145,11 +145,8 @@ static unsigned int ipv4_conntrack_local(unsigned int hooknum,
 {
 	/* root is playing with raw sockets. */
 	if (skb->len < sizeof(struct iphdr) ||
-	    ip_hdrlen(skb) < sizeof(struct iphdr)) {
-		if (net_ratelimit())
-			printk("ipt_hook: happy cracking.\n");
+	    ip_hdrlen(skb) < sizeof(struct iphdr))
 		return NF_ACCEPT;
-	}
 	return nf_conntrack_in(dev_net(out), PF_INET, hooknum, skb);
 }