netfilter: xt extensions: use pr_<level>

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>

21 files changed, 88 insertions, 107 deletions

diff --git a/net/netfilter/xt_CONNSECMARK.c b/net/netfilter/xt_CONNSECMARK.c
index b54c3756fdc3..6812865488d6 100644
--- a/net/netfilter/xt_CONNSECMARK.c
+++ b/net/netfilter/xt_CONNSECMARK.c
@@ -15,6 +15,7 @@
  * published by the Free Software Foundation.
  *
  */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 #include <linux/module.h>
 #include <linux/skbuff.h>
 #include <linux/netfilter/x_tables.h>
@@ -22,8 +23,6 @@
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_ecache.h>
 
-#define PFX "CONNSECMARK: "
-
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("James Morris <jmorris@redhat.com>");
 MODULE_DESCRIPTION("Xtables: target for copying between connection and security mark");
@@ -91,8 +90,8 @@ static bool connsecmark_tg_check(const struct xt_tgchk_param *par)
 
         if (strcmp(par->table, "mangle") != 0 &&
             strcmp(par->table, "security") != 0) {
-                printk(KERN_INFO PFX "target only valid in the \'mangle\' "
-                       "or \'security\' tables, not \'%s\'.\n", par->table);
+                pr_info("target only valid in the \'mangle\' "
+                        "or \'security\' tables, not \'%s\'.\n", par->table);
                 return false;
         }
 
@@ -102,13 +101,13 @@ static bool connsecmark_tg_check(const struct xt_tgchk_param *par)
                 break;
 
         default:
-                printk(KERN_INFO PFX "invalid mode: %hu\n", info->mode);
+                pr_info("invalid mode: %hu\n", info->mode);
                 return false;
         }
 
         if (nf_ct_l3proto_try_module_get(par->family) < 0) {
-                printk(KERN_WARNING "can't load conntrack support for "
-                                    "proto=%u\n", par->family);
+                pr_info("cannot load conntrack support for proto=%u\n",
+                        par->family);
                 return false;
         }
         return true;
diff --git a/net/netfilter/xt_DSCP.c b/net/netfilter/xt_DSCP.c
index 74ce89260056..bbf08a91c600 100644
--- a/net/netfilter/xt_DSCP.c
+++ b/net/netfilter/xt_DSCP.c
@@ -9,7 +9,7 @@
  *
  * See RFC2474 for a description of the DSCP field within the IP Header.
 */
-
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 #include <linux/module.h>
 #include <linux/skbuff.h>
 #include <linux/ip.h>
@@ -65,7 +65,7 @@ static bool dscp_tg_check(const struct xt_tgchk_param *par)
         const struct xt_DSCP_info *info = par->targinfo;
 
         if (info->dscp > XT_DSCP_MAX) {
-                printk(KERN_WARNING "DSCP: dscp %x out of range\n", info->dscp);
+                pr_info("dscp %x out of range\n", info->dscp);
                 return false;
         }
         return true;
diff --git a/net/netfilter/xt_HL.c b/net/netfilter/xt_HL.c
index 10e789e2d12a..7004ed2ffa44 100644
--- a/net/netfilter/xt_HL.c
+++ b/net/netfilter/xt_HL.c
@@ -9,7 +9,7 @@
  * 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/module.h>
 #include <linux/skbuff.h>
 #include <linux/ip.h>
@@ -106,8 +106,7 @@ static bool ttl_tg_check(const struct xt_tgchk_param *par)
         const struct ipt_TTL_info *info = par->targinfo;
 
         if (info->mode > IPT_TTL_MAXMODE) {
-                printk(KERN_WARNING "ipt_TTL: invalid or unknown Mode %u\n",
-                        info->mode);
+                pr_info("TTL: invalid or unknown mode %u\n", info->mode);
                 return false;
         }
         if (info->mode != IPT_TTL_SET && info->ttl == 0)
@@ -120,12 +119,11 @@ static bool hl_tg6_check(const struct xt_tgchk_param *par)
         const struct ip6t_HL_info *info = par->targinfo;
 
         if (info->mode > IP6T_HL_MAXMODE) {
-                printk(KERN_WARNING "ip6t_HL: invalid or unknown Mode %u\n",
-                        info->mode);
+                pr_info("invalid or unknown mode %u\n", info->mode);
                 return false;
         }
         if (info->mode != IP6T_HL_SET && info->hop_limit == 0) {
-                printk(KERN_WARNING "ip6t_HL: increment/decrement doesn't "
+                pr_info("increment/decrement does not "
                         "make sense with value 0\n");
                 return false;
         }
diff --git a/net/netfilter/xt_LED.c b/net/netfilter/xt_LED.c
index 0d6c2885ebd6..f511bea9464a 100644
--- a/net/netfilter/xt_LED.c
+++ b/net/netfilter/xt_LED.c
@@ -18,7 +18,7 @@
  * 02110-1301 USA.
  *
  */
-
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 #include <linux/module.h>
 #include <linux/skbuff.h>
 #include <linux/netfilter/x_tables.h>
@@ -87,7 +87,7 @@ static bool led_tg_check(const struct xt_tgchk_param *par)
         int err;
 
         if (ledinfo->id[0] == '\0') {
-                printk(KERN_ERR KBUILD_MODNAME ": No 'id' parameter given.\n");
+                pr_info("No 'id' parameter given.\n");
                 return false;
         }
 
@@ -99,11 +99,9 @@ static bool led_tg_check(const struct xt_tgchk_param *par)
 
         err = led_trigger_register(&ledinternal->netfilter_led_trigger);
         if (err) {
-                printk(KERN_CRIT KBUILD_MODNAME
-                        ": led_trigger_register() failed\n");
+                pr_warning("led_trigger_register() failed\n");
                 if (err == -EEXIST)
-                        printk(KERN_ERR KBUILD_MODNAME
-                                ": Trigger name is already in use.\n");
+                        pr_warning("Trigger name is already in use.\n");
                 goto exit_alloc;
         }
 
diff --git a/net/netfilter/xt_SECMARK.c b/net/netfilter/xt_SECMARK.c
index 7a6f9e6f5dfa..4855fd9d7c6f 100644
--- a/net/netfilter/xt_SECMARK.c
+++ b/net/netfilter/xt_SECMARK.c
@@ -12,6 +12,7 @@
  * published by the Free Software Foundation.
  *
  */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 #include <linux/module.h>
 #include <linux/skbuff.h>
 #include <linux/selinux.h>
@@ -59,20 +60,19 @@ static bool checkentry_selinux(struct xt_secmark_target_info *info)
         err = selinux_string_to_sid(sel->selctx, &sel->selsid);
         if (err) {
                 if (err == -EINVAL)
-                        printk(KERN_INFO PFX "invalid SELinux context \'%s\'\n",
-                               sel->selctx);
+                        pr_info("invalid SELinux context \'%s\'\n",
+                                sel->selctx);
                 return false;
         }
 
         if (!sel->selsid) {
-                printk(KERN_INFO PFX "unable to map SELinux context \'%s\'\n",
-                       sel->selctx);
+                pr_info("unable to map SELinux context \'%s\'\n", sel->selctx);
                 return false;
         }
 
         err = selinux_secmark_relabel_packet_permission(sel->selsid);
         if (err) {
-                printk(KERN_INFO PFX "unable to obtain relabeling permission\n");
+                pr_info("unable to obtain relabeling permission\n");
                 return false;
         }
 
@@ -86,14 +86,14 @@ static bool secmark_tg_check(const struct xt_tgchk_param *par)
 
         if (strcmp(par->table, "mangle") != 0 &&
             strcmp(par->table, "security") != 0) {
-                printk(KERN_INFO PFX "target only valid in the \'mangle\' "
-                       "or \'security\' tables, not \'%s\'.\n", par->table);
+                pr_info("target only valid in the \'mangle\' "
+                        "or \'security\' tables, not \'%s\'.\n", par->table);
                 return false;
         }
 
         if (mode && mode != info->mode) {
-                printk(KERN_INFO PFX "mode already set to %hu cannot mix with "
-                       "rules for mode %hu\n", mode, info->mode);
+                pr_info("mode already set to %hu cannot mix with "
+                        "rules for mode %hu\n", mode, info->mode);
                 return false;
         }
 
@@ -104,7 +104,7 @@ static bool secmark_tg_check(const struct xt_tgchk_param *par)
                 break;
 
         default:
-                printk(KERN_INFO PFX "invalid mode: %hu\n", info->mode);
+                pr_info("invalid mode: %hu\n", info->mode);
                 return false;
         }
 
diff --git a/net/netfilter/xt_TCPMSS.c b/net/netfilter/xt_TCPMSS.c
index 0e357ac9a2a8..2077da31c973 100644
--- a/net/netfilter/xt_TCPMSS.c
+++ b/net/netfilter/xt_TCPMSS.c
@@ -7,7 +7,7 @@
  * 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/module.h>
 #include <linux/skbuff.h>
 #include <linux/ip.h>
@@ -67,14 +67,14 @@ tcpmss_mangle_packet(struct sk_buff *skb,
         if (info->mss == XT_TCPMSS_CLAMP_PMTU) {
                 if (dst_mtu(skb_dst(skb)) <= minlen) {
                         if (net_ratelimit())
-                                printk(KERN_ERR "xt_TCPMSS: "
+                                pr_err("xt_TCPMSS: "
                                        "unknown or invalid path-MTU (%u)\n",
                                        dst_mtu(skb_dst(skb)));
                         return -1;
                 }
                 if (in_mtu <= minlen) {
                         if (net_ratelimit())
-                                printk(KERN_ERR "xt_TCPMSS: unknown or "
+                                pr_err("xt_TCPMSS: unknown or "
                                        "invalid path-MTU (%u)\n", in_mtu);
                         return -1;
                 }
@@ -245,14 +245,14 @@ static bool tcpmss_tg4_check(const struct xt_tgchk_param *par)
             (par->hook_mask & ~((1 << NF_INET_FORWARD) |
                            (1 << NF_INET_LOCAL_OUT) |
                            (1 << NF_INET_POST_ROUTING))) != 0) {
-                printk("xt_TCPMSS: path-MTU clamping only supported in "
-                       "FORWARD, OUTPUT and POSTROUTING hooks\n");
+                pr_info("path-MTU clamping only supported in "
+                        "FORWARD, OUTPUT and POSTROUTING hooks\n");
                 return false;
         }
         xt_ematch_foreach(ematch, e)
                 if (find_syn_match(ematch))
                         return true;
-        printk("xt_TCPMSS: Only works on TCP SYN packets\n");
+        pr_info("Only works on TCP SYN packets\n");
         return false;
 }
 
@@ -267,14 +267,14 @@ static bool tcpmss_tg6_check(const struct xt_tgchk_param *par)
             (par->hook_mask & ~((1 << NF_INET_FORWARD) |
                            (1 << NF_INET_LOCAL_OUT) |
                            (1 << NF_INET_POST_ROUTING))) != 0) {
-                printk("xt_TCPMSS: path-MTU clamping only supported in "
-                       "FORWARD, OUTPUT and POSTROUTING hooks\n");
+                pr_info("path-MTU clamping only supported in "
+                        "FORWARD, OUTPUT and POSTROUTING hooks\n");
                 return false;
         }
         xt_ematch_foreach(ematch, e)
                 if (find_syn_match(ematch))
                         return true;
-        printk("xt_TCPMSS: Only works on TCP SYN packets\n");
+        pr_info("Only works on TCP SYN packets\n");
         return false;
 }
 #endif
diff --git a/net/netfilter/xt_cluster.c b/net/netfilter/xt_cluster.c
index 225ee3ecd69d..4c273e871301 100644
--- a/net/netfilter/xt_cluster.c
+++ b/net/netfilter/xt_cluster.c
@@ -5,6 +5,7 @@
  * 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/module.h>
 #include <linux/skbuff.h>
 #include <linux/jhash.h>
@@ -136,14 +137,14 @@ static bool xt_cluster_mt_checkentry(const struct xt_mtchk_param *par)
         struct xt_cluster_match_info *info = par->matchinfo;
 
         if (info->total_nodes > XT_CLUSTER_NODES_MAX) {
-                printk(KERN_ERR "xt_cluster: you have exceeded the maximum "
-                                "number of cluster nodes (%u > %u)\n",
-                                info->total_nodes, XT_CLUSTER_NODES_MAX);
+                pr_info("you have exceeded the maximum "
+                        "number of cluster nodes (%u > %u)\n",
+                        info->total_nodes, XT_CLUSTER_NODES_MAX);
                 return false;
         }
         if (info->node_mask >= (1ULL << info->total_nodes)) {
-                printk(KERN_ERR "xt_cluster: this node mask cannot be "
-                                "higher than the total number of nodes\n");
+                pr_info("this node mask cannot be "
+                        "higher than the total number of nodes\n");
                 return false;
         }
         return true;
diff --git a/net/netfilter/xt_connbytes.c b/net/netfilter/xt_connbytes.c
index 955e6598a7f0..edb7bbd9ae54 100644
--- a/net/netfilter/xt_connbytes.c
+++ b/net/netfilter/xt_connbytes.c
@@ -1,6 +1,7 @@
 /* Kernel module to match connection tracking byte counter.
  * GPL (C) 2002 Martin Devera (devik@cdi.cz).
  */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 #include <linux/module.h>
 #include <linux/bitops.h>
 #include <linux/skbuff.h>
@@ -107,8 +108,8 @@ static bool connbytes_mt_check(const struct xt_mtchk_param *par)
                 return false;
 
         if (nf_ct_l3proto_try_module_get(par->family) < 0) {
-                printk(KERN_WARNING "can't load conntrack support for "
-                                    "proto=%u\n", par->family);
+                pr_info("cannot load conntrack support for proto=%u\n",
+                        par->family);
                 return false;
         }
 
diff --git a/net/netfilter/xt_connlimit.c b/net/netfilter/xt_connlimit.c
index 9e624af40f80..d5b26dab9e26 100644
--- a/net/netfilter/xt_connlimit.c
+++ b/net/netfilter/xt_connlimit.c
@@ -11,6 +11,7 @@
  * Kernel module to match connection tracking information.
  * GPL (C) 1999  Rusty Russell (rusty@rustcorp.com.au).
  */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 #include <linux/in.h>
 #include <linux/in6.h>
 #include <linux/ip.h>
@@ -225,8 +226,8 @@ static bool connlimit_mt_check(const struct xt_mtchk_param *par)
                 connlimit_rnd_inited = true;
         }
         if (nf_ct_l3proto_try_module_get(par->family) < 0) {
-                printk(KERN_WARNING "cannot load conntrack support for "
-                       "address family %u\n", par->family);
+                pr_info("cannot load conntrack support for "
+                        "address family %u\n", par->family);
                 return false;
         }
 
diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c
index 97465a472344..7a51ba63f545 100644
--- a/net/netfilter/xt_connmark.c
+++ b/net/netfilter/xt_connmark.c
@@ -77,8 +77,8 @@ connmark_tg(struct sk_buff *skb, const struct xt_target_param *par)
 static bool connmark_tg_check(const struct xt_tgchk_param *par)
 {
         if (nf_ct_l3proto_try_module_get(par->family) < 0) {
-                printk(KERN_WARNING "cannot load conntrack support for "
-                       "proto=%u\n", par->family);
+                pr_info("cannot load conntrack support for proto=%u\n",
+                        par->family);
                 return false;
         }
         return true;
@@ -106,8 +106,8 @@ connmark_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 static bool connmark_mt_check(const struct xt_mtchk_param *par)
 {
         if (nf_ct_l3proto_try_module_get(par->family) < 0) {
-                printk(KERN_WARNING "cannot load conntrack support for "
-                       "proto=%u\n", par->family);
+                pr_info("cannot load conntrack support for proto=%u\n",
+                        par->family);
                 return false;
         }
         return true;
diff --git a/net/netfilter/xt_conntrack.c b/net/netfilter/xt_conntrack.c
index ae66305f0fe5..387172b6b0d8 100644
--- a/net/netfilter/xt_conntrack.c
+++ b/net/netfilter/xt_conntrack.c
@@ -9,7 +9,7 @@
  *      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/module.h>
 #include <linux/skbuff.h>
 #include <net/ipv6.h>
@@ -209,8 +209,8 @@ conntrack_mt_v2(const struct sk_buff *skb, const struct xt_match_param *par)
 static bool conntrack_mt_check(const struct xt_mtchk_param *par)
 {
         if (nf_ct_l3proto_try_module_get(par->family) < 0) {
-                printk(KERN_WARNING "can't load conntrack support for "
-                                    "proto=%u\n", par->family);
+                pr_info("cannot load conntrack support for proto=%u\n",
+                        par->family);
                 return false;
         }
         return true;
diff --git a/net/netfilter/xt_dscp.c b/net/netfilter/xt_dscp.c
index fe58cd01ef99..6ecedc13db0c 100644
--- a/net/netfilter/xt_dscp.c
+++ b/net/netfilter/xt_dscp.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/module.h>
 #include <linux/skbuff.h>
 #include <linux/ip.h>
@@ -47,7 +47,7 @@ static bool dscp_mt_check(const struct xt_mtchk_param *par)
         const struct xt_dscp_info *info = par->matchinfo;
 
         if (info->dscp > XT_DSCP_MAX) {
-                printk(KERN_ERR "xt_dscp: dscp %x out of range\n", info->dscp);
+                pr_info("dscp %x out of range\n", info->dscp);
                 return false;
         }
 
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index 52327c5c1f1d..8f3e0c02ca54 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -7,6 +7,7 @@
  *
  * Development of this code was funded by Astaro AG, http://www.astaro.com/
  */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 #include <linux/module.h>
 #include <linux/spinlock.h>
 #include <linux/random.h>
@@ -166,17 +167,14 @@ dsthash_alloc_init(struct xt_hashlimit_htable *ht,
         if (ht->cfg.max && ht->count >= ht->cfg.max) {
                 /* FIXME: do something. question is what.. */
                 if (net_ratelimit())
-                        printk(KERN_WARNING
-                                "xt_hashlimit: max count of %u reached\n",
-                                ht->cfg.max);
+                        pr_err("max count of %u reached\n", ht->cfg.max);
                 return NULL;
         }
 
         ent = kmem_cache_alloc(hashlimit_cachep, GFP_ATOMIC);
         if (!ent) {
                 if (net_ratelimit())
-                        printk(KERN_ERR
-                                "xt_hashlimit: can't allocate dsthash_ent\n");
+                        pr_err("cannot allocate dsthash_ent\n");
                 return NULL;
         }
         memcpy(&ent->dst, dst, sizeof(ent->dst));
@@ -681,8 +679,8 @@ static bool hashlimit_mt_check_v0(const struct xt_mtchk_param *par)
         /* Check for overflow. */
         if (r->cfg.burst == 0 ||
             user2credits(r->cfg.avg * r->cfg.burst) < user2credits(r->cfg.avg)) {
-                printk(KERN_ERR "xt_hashlimit: overflow, try lower: %u/%u\n",
-                       r->cfg.avg, r->cfg.burst);
+                pr_info("overflow, try lower: %u/%u\n",
+                        r->cfg.avg, r->cfg.burst);
                 return false;
         }
         if (r->cfg.mode == 0 ||
@@ -718,8 +716,8 @@ static bool hashlimit_mt_check(const struct xt_mtchk_param *par)
         if (info->cfg.burst == 0 ||
             user2credits(info->cfg.avg * info->cfg.burst) <
             user2credits(info->cfg.avg)) {
-                printk(KERN_ERR "xt_hashlimit: overflow, try lower: %u/%u\n",
-                       info->cfg.avg, info->cfg.burst);
+                pr_info("overflow, try lower: %u/%u\n",
+                        info->cfg.avg, info->cfg.burst);
                 return false;
         }
         if (info->cfg.gc_interval == 0 || info->cfg.expire == 0)
@@ -1018,7 +1016,7 @@ static int __init hashlimit_mt_init(void)
                                             sizeof(struct dsthash_ent), 0, 0,
                                             NULL);
         if (!hashlimit_cachep) {
-                printk(KERN_ERR "xt_hashlimit: unable to create slab cache\n");
+                pr_warning("unable to create slab cache\n");
                 goto err2;
         }
         return 0;
diff --git a/net/netfilter/xt_helper.c b/net/netfilter/xt_helper.c
index 64fc7f277221..482aff2ccf7c 100644
--- a/net/netfilter/xt_helper.c
+++ b/net/netfilter/xt_helper.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/module.h>
 #include <linux/skbuff.h>
 #include <linux/netfilter.h>
@@ -59,8 +59,8 @@ static bool helper_mt_check(const struct xt_mtchk_param *par)
         struct xt_helper_info *info = par->matchinfo;
 
         if (nf_ct_l3proto_try_module_get(par->family) < 0) {
-                printk(KERN_WARNING "can't load conntrack support for "
-                                    "proto=%u\n", par->family);
+                pr_info("cannot load conntrack support for proto=%u\n",
+                        par->family);
                 return false;
         }
         info->name[29] = '\0';
diff --git a/net/netfilter/xt_hl.c b/net/netfilter/xt_hl.c
index 7726154c87b2..be53f7299623 100644
--- a/net/netfilter/xt_hl.c
+++ b/net/netfilter/xt_hl.c
@@ -39,10 +39,6 @@ static bool ttl_mt(const struct sk_buff *skb, const struct xt_match_param *par)
                         return ttl < info->ttl;
                 case IPT_TTL_GT:
                         return ttl > info->ttl;
-                default:
-                        printk(KERN_WARNING "ipt_ttl: unknown mode %d\n",
-                                info->mode);
-                        return false;
         }
 
         return false;
@@ -56,20 +52,12 @@ static bool hl_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
         switch (info->mode) {
                 case IP6T_HL_EQ:
                         return ip6h->hop_limit == info->hop_limit;
-                        break;
                 case IP6T_HL_NE:
                         return ip6h->hop_limit != info->hop_limit;
-                        break;
                 case IP6T_HL_LT:
                         return ip6h->hop_limit < info->hop_limit;
-                        break;
                 case IP6T_HL_GT:
                         return ip6h->hop_limit > info->hop_limit;
-                        break;
-                default:
-                        printk(KERN_WARNING "ip6t_hl: unknown mode %d\n",
-                                info->mode);
-                        return false;
         }
 
         return false;
diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c
index a0ca5339af41..b3dfca63fa52 100644
--- a/net/netfilter/xt_limit.c
+++ b/net/netfilter/xt_limit.c
@@ -5,7 +5,7 @@
  * 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/module.h>
 #include <linux/skbuff.h>
 #include <linux/spinlock.h>
@@ -105,8 +105,8 @@ static bool limit_mt_check(const struct xt_mtchk_param *par)
         /* Check for overflow. */
         if (r->burst == 0
             || user2credits(r->avg * r->burst) < user2credits(r->avg)) {
-                printk("Overflow in xt_limit, try lower: %u/%u\n",
-                       r->avg, r->burst);
+                pr_info("Overflow, try lower: %u/%u\n",
+                        r->avg, r->burst);
                 return false;
         }
 
diff --git a/net/netfilter/xt_osf.c b/net/netfilter/xt_osf.c
index 4169e200588d..8dcde13a0781 100644
--- a/net/netfilter/xt_osf.c
+++ b/net/netfilter/xt_osf.c
@@ -16,7 +16,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
-
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 #include <linux/module.h>
 #include <linux/kernel.h>
 
@@ -382,14 +382,14 @@ static int __init xt_osf_init(void)
 
         err = nfnetlink_subsys_register(&xt_osf_nfnetlink);
         if (err < 0) {
-                printk(KERN_ERR "Failed (%d) to register OSF nsfnetlink helper.\n", err);
+                pr_err("Failed to register OSF nsfnetlink helper (%d)\n", err);
                 goto err_out_exit;
         }
 
         err = xt_register_match(&xt_osf_match);
         if (err) {
-                printk(KERN_ERR "Failed (%d) to register OS fingerprint "
-                                "matching module.\n", err);
+                pr_err("Failed to register OS fingerprint "
+                       "matching module (%d)\n", err);
                 goto err_out_remove;
         }
 
diff --git a/net/netfilter/xt_physdev.c b/net/netfilter/xt_physdev.c
index 8d28ca5848bc..3d42a278408f 100644
--- a/net/netfilter/xt_physdev.c
+++ b/net/netfilter/xt_physdev.c
@@ -7,7 +7,7 @@
  * 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/module.h>
 #include <linux/skbuff.h>
 #include <linux/netfilter_bridge.h>
@@ -95,9 +95,9 @@ static bool physdev_mt_check(const struct xt_mtchk_param *par)
              info->invert & XT_PHYSDEV_OP_BRIDGED) &&
             par->hook_mask & ((1 << NF_INET_LOCAL_OUT) |
             (1 << NF_INET_FORWARD) | (1 << NF_INET_POST_ROUTING))) {
-                printk(KERN_WARNING "physdev match: using --physdev-out in the "
-                       "OUTPUT, FORWARD and POSTROUTING chains for non-bridged "
-                       "traffic is not supported anymore.\n");
+                pr_info("using --physdev-out in the OUTPUT, FORWARD and "
+                        "POSTROUTING chains for non-bridged traffic is not "
+                        "supported anymore.\n");
                 if (par->hook_mask & (1 << NF_INET_LOCAL_OUT))
                         return false;
         }
diff --git a/net/netfilter/xt_policy.c b/net/netfilter/xt_policy.c
index cc033d2c35ea..de3aded6afb8 100644
--- a/net/netfilter/xt_policy.c
+++ b/net/netfilter/xt_policy.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/kernel.h>
 #include <linux/module.h>
 #include <linux/skbuff.h>
@@ -133,24 +133,21 @@ static bool policy_mt_check(const struct xt_mtchk_param *par)
         const struct xt_policy_info *info = par->matchinfo;
 
         if (!(info->flags & (XT_POLICY_MATCH_IN|XT_POLICY_MATCH_OUT))) {
-                printk(KERN_ERR "xt_policy: neither incoming nor "
-                                "outgoing policy selected\n");
+                pr_info("neither incoming nor outgoing policy selected\n");
                 return false;
         }
         if (par->hook_mask & ((1 << NF_INET_PRE_ROUTING) |
             (1 << NF_INET_LOCAL_IN)) && info->flags & XT_POLICY_MATCH_OUT) {
-                printk(KERN_ERR "xt_policy: output policy not valid in "
-                                "PRE_ROUTING and INPUT\n");
+                pr_info("output policy not valid in PREROUTING and INPUT\n");
                 return false;
         }
         if (par->hook_mask & ((1 << NF_INET_POST_ROUTING) |
             (1 << NF_INET_LOCAL_OUT)) && info->flags & XT_POLICY_MATCH_IN) {
-                printk(KERN_ERR "xt_policy: input policy not valid in "
-                                "POST_ROUTING and OUTPUT\n");
+                pr_info("input policy not valid in POSTROUTING and OUTPUT\n");
                 return false;
         }
         if (info->len > XT_POLICY_MAX_ELEM) {
-                printk(KERN_ERR "xt_policy: too many policy elements\n");
+                pr_info("too many policy elements\n");
                 return false;
         }
         return true;
diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
index a0ea1a21c470..aa9817e91338 100644
--- a/net/netfilter/xt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -12,6 +12,7 @@
  * Author: Stephen Frost <sfrost@snowman.net>
  * Copyright 2002-2003, Stephen Frost, 2.5.x port by laforge@netfilter.org
  */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 #include <linux/init.h>
 #include <linux/ip.h>
 #include <linux/ipv6.h>
@@ -520,7 +521,7 @@ recent_mt_proc_write(struct file *file, const char __user *input,
                 add = true;
                 break;
         default:
-                printk(KERN_INFO KBUILD_MODNAME ": Need +ip, -ip or /\n");
+                pr_info("Need \"+ip\", \"-ip\" or \"/\"\n");
                 return -EINVAL;
         }
 
@@ -535,8 +536,7 @@ recent_mt_proc_write(struct file *file, const char __user *input,
         }
 
         if (!succ) {
-                printk(KERN_INFO KBUILD_MODNAME ": illegal address written "
-                       "to procfs\n");
+                pr_info("illegal address written to procfs\n");
                 return -EINVAL;
         }
 
diff --git a/net/netfilter/xt_state.c b/net/netfilter/xt_state.c
index ef09b2e2970f..94893be80276 100644
--- a/net/netfilter/xt_state.c
+++ b/net/netfilter/xt_state.c
@@ -40,8 +40,8 @@ state_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 static bool state_mt_check(const struct xt_mtchk_param *par)
 {
         if (nf_ct_l3proto_try_module_get(par->family) < 0) {
-                printk(KERN_WARNING "can't load conntrack support for "
-                                    "proto=%u\n", par->family);
+                pr_info("cannot load conntrack support for proto=%u\n",
+                        par->family);
                 return false;
         }
         return true;