netfilter: xtables: replace custom duprintf with pr_debug

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

1 files changed, 3 insertions, 8 deletions

diff --git a/net/ipv6/netfilter/ip6t_mh.c b/net/ipv6/netfilter/ip6t_mh.c
index aafe4e66577b..0181eb81d24b 100644
--- a/net/ipv6/netfilter/ip6t_mh.c
+++ b/net/ipv6/netfilter/ip6t_mh.c
@@ -11,6 +11,7 @@
  * Based on net/netfilter/xt_tcpudp.c
  *
  */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 #include <linux/types.h>
 #include <linux/module.h>
 #include <net/ip.h>
@@ -24,12 +25,6 @@
 MODULE_DESCRIPTION("Xtables: IPv6 Mobility Header match");
 MODULE_LICENSE("GPL");
 
-#ifdef DEBUG_IP_FIREWALL_USER
-#define duprintf(format, args...) printk(format , ## args)
-#else
-#define duprintf(format, args...)
-#endif
-
 /* Returns 1 if the type is matched by the range, 0 otherwise */
 static inline bool
 type_match(u_int8_t min, u_int8_t max, u_int8_t type, bool invert)
@@ -51,13 +46,13 @@ static bool mh_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
         if (mh == NULL) {
                 /* We've been asked to examine this packet, and we
                    can't.  Hence, no choice but to drop. */
-                duprintf("Dropping evil MH tinygram.\n");
+                pr_debug("Dropping evil MH tinygram.\n");
                 *par->hotdrop = true;
                 return false;
         }
 
         if (mh->ip6mh_proto != IPPROTO_NONE) {
-                duprintf("Dropping invalid MH Payload Proto: %u\n",
+                pr_debug("Dropping invalid MH Payload Proto: %u\n",
                          mh->ip6mh_proto);
                 *par->hotdrop = true;
                 return false;