--- 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>
--- a/drivers/net/wireless/libertas/cfg.c
+++ b/drivers/net/wireless/libertas/cfg.c
@@ -6,6 +6,7 @@
  *
  */
 
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/sched.h>
--- a/drivers/net/wireless/libertas/if_cs.c
+++ b/drivers/net/wireless/libertas/if_cs.c
@@ -21,6 +21,7 @@
 
 */
 
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/module.h>
--- a/drivers/net/wireless/libertas/if_sdio.c
+++ b/drivers/net/wireless/libertas/if_sdio.c
@@ -26,6 +26,7 @@
  * if_sdio_card_to_host() to pad the data.
  */
 
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/kernel.h>
--- a/drivers/net/wireless/libertas/if_spi.c
+++ b/drivers/net/wireless/libertas/if_spi.c
@@ -17,6 +17,7 @@
  * (at your option) any later version.
  */
 
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/moduleparam.h>
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -2,6 +2,7 @@
  * This file contains functions used in USB interface module.
  */
 
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/delay.h>
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -4,6 +4,7 @@
  * thread etc..
  */
 
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/moduleparam.h>
--- a/drivers/net/wireless/libertas/mesh.c
+++ b/drivers/net/wireless/libertas/mesh.c
@@ -1,3 +1,4 @@
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/delay.h>
--- a/drivers/net/wireless/libertas/rx.c
+++ b/drivers/net/wireless/libertas/rx.c
@@ -2,6 +2,7 @@
  * This file contains the handling of RX in wlan driver.
  */
 
+#undef pr_fmt
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/etherdevice.h>