Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluet...

[karo-tx-linux.git] / net / ipv4 / netfilter / ipt_ECN.c

diff --git a/net/ipv4/netfilter/ipt_ECN.c b/net/ipv4/netfilter/ipt_ECN.c
index ea5cea2415c133f3386a68c9b6c1eca1492e2a1e..4bf3dc49ad1ea84d59815cb9a46aa3cd3fd374b5 100644 (file)
--- a/net/ipv4/netfilter/ipt_ECN.c
+++ b/net/ipv4/netfilter/ipt_ECN.c
@@ -6,7 +6,7 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
 */
-
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 #include <linux/in.h>
 #include <linux/module.h>
 #include <linux/skbuff.h>
@@ -77,7 +77,7 @@ set_ect_tcp(struct sk_buff *skb, const struct ipt_ECN_info *einfo)
 }
 
 static unsigned int
-ecn_tg(struct sk_buff *skb, const struct xt_target_param *par)
+ecn_tg(struct sk_buff *skb, const struct xt_action_param *par)
 {
        const struct ipt_ECN_info *einfo = par->targinfo;
 
@@ -93,28 +93,25 @@ ecn_tg(struct sk_buff *skb, const struct xt_target_param *par)
        return XT_CONTINUE;
 }
 
-static bool ecn_tg_check(const struct xt_tgchk_param *par)
+static int ecn_tg_check(const struct xt_tgchk_param *par)
 {
        const struct ipt_ECN_info *einfo = par->targinfo;
        const struct ipt_entry *e = par->entryinfo;
 
        if (einfo->operation & IPT_ECN_OP_MASK) {
-               printk(KERN_WARNING "ECN: unsupported ECN operation %x\n",
-                       einfo->operation);
-               return false;
+               pr_info("unsupported ECN operation %x\n", einfo->operation);
+               return -EINVAL;
        }
        if (einfo->ip_ect & ~IPT_ECN_IP_MASK) {
-               printk(KERN_WARNING "ECN: new ECT codepoint %x out of mask\n",
-                       einfo->ip_ect);
-               return false;
+               pr_info("new ECT codepoint %x out of mask\n", einfo->ip_ect);
+               return -EINVAL;
        }
        if ((einfo->operation & (IPT_ECN_OP_SET_ECE|IPT_ECN_OP_SET_CWR)) &&
            (e->ip.proto != IPPROTO_TCP || (e->ip.invflags & XT_INV_PROTO))) {
-               printk(KERN_WARNING "ECN: cannot use TCP operations on a "
-                      "non-tcp rule\n");
-               return false;
+               pr_info("cannot use TCP operations on a non-tcp rule\n");
+               return -EINVAL;
        }
-       return true;
+       return 0;
 }
 
 static struct xt_target ecn_tg_reg __read_mostly = {