--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -27,6 +27,7 @@
  *
  *****************************************************************************/
 
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/kernel.h>
--- a/drivers/net/wireless/iwlegacy/iwl3945-base.c
+++ b/drivers/net/wireless/iwlegacy/iwl3945-base.c
@@ -27,6 +27,7 @@
  *
  *****************************************************************************/
 
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/kernel.h>
--- a/drivers/net/wireless/libertas_tf/cmd.c
+++ b/drivers/net/wireless/libertas_tf/cmd.c
@@ -7,6 +7,7 @@
  *  the Free Software Foundation; either version 2 of the License, or (at
  *  your option) any later version.
  */
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/slab.h>
--- a/drivers/net/wireless/libertas_tf/if_usb.c
+++ b/drivers/net/wireless/libertas_tf/if_usb.c
@@ -9,6 +9,7 @@
  */
 #define DRV_NAME "lbtf_usb"
 
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include "libertas_tf.h"
--- a/drivers/net/wireless/libertas_tf/main.c
+++ b/drivers/net/wireless/libertas_tf/main.c
@@ -7,6 +7,7 @@
  *  the Free Software Foundation; either version 2 of the License, or (at
  *  your option) any later version.
  */
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/slab.h>
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -4,6 +4,7 @@
  * Copyright 2006-2010		Johannes Berg <johannes@sipsolutions.net>
  */
 
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/if.h>
--- a/net/wireless/lib80211.c
+++ b/net/wireless/lib80211.c
@@ -13,6 +13,7 @@
  *
  */
 
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/module.h>
--- a/net/wireless/lib80211_crypt_tkip.c
+++ b/net/wireless/lib80211_crypt_tkip.c
@@ -10,6 +10,7 @@
  * more details.
  */
 
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/err.h>
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -33,6 +33,7 @@
  *
  */
 
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/kernel.h>
--- a/drivers/net/wireless/iwlegacy/iwl4965-base.c
+++ b/drivers/net/wireless/iwlegacy/iwl4965-base.c
@@ -27,6 +27,7 @@
  *
  *****************************************************************************/
 
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/kernel.h>