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-rw-r--r--drivers/usb/serial/usb-serial.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/serial/usb-serial.h b/drivers/usb/serial/usb-serial.h
index b0d3ad04675c..9547a61b8997 100644
--- a/drivers/usb/serial/usb-serial.h
+++ b/drivers/usb/serial/usb-serial.h
@@ -370,7 +370,7 @@ static inline void usb_serial_debug_data (const char *file, const char *function
/* Use our own dbg macro */
#undef dbg
-#define dbg(format, arg...) do { if (debug) printk(KERN_DEBUG __FILE__ ": " format "\n" , ## arg); } while (0)
+#define dbg(format, arg...) do { if (debug) printk(KERN_DEBUG "%s: " format "\n" , __FILE__ , ## arg); } while (0)