--- a/drivers/net/wireless/ath/ath5k/debug.c
+++ b/drivers/net/wireless/ath/ath5k/debug.c
@@ -58,6 +58,7 @@
* THE POSSIBILITY OF SUCH DAMAGES.
*/
+#undef pr_fmt
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/export.h>