diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index ba09fe8..7d38222 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -197,7 +197,9 @@
 #define devdbg(usbnet, fmt, arg...) \
 	printk(KERN_DEBUG "%s: " fmt "\n" , (usbnet)->net->name , ## arg)
 #else
-#define devdbg(usbnet, fmt, arg...) do {} while(0)
+#define devdbg(usbnet, fmt, arg...) \
+	({ if (0) printk(KERN_DEBUG "%s: " fmt "\n" , (usbnet)->net->name , \
+		## arg); 0; })
 #endif
 
 #define deverr(usbnet, fmt, arg...) \