1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index b473f4278910..1e5f30da98bc 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -416,8 +416,9 @@ extern int firmware_register(struct subsystem *);
 extern void firmware_unregister(struct subsystem *);
 
 /* debugging and troubleshooting/diagnostic helpers. */
+extern const char *dev_driver_string(struct device *dev);
 #define dev_printk(level, dev, format, arg...)  \
-        printk(level "%s %s: " format , (dev)->driver ? (dev)->driver->name : "" , (dev)->bus_id , ## arg)
+        printk(level "%s %s: " format , dev_driver_string(dev) , (dev)->bus_id , ## arg)
 
 #ifdef DEBUG
 #define dev_dbg(dev, format, arg...)            \