1 files changed, 1 insertions, 1 deletions

diff --git a/sound/usb/line6/driver.h b/sound/usb/line6/driver.h
index 92a662a0469e..5d20294d64f4 100644
--- a/sound/usb/line6/driver.h
+++ b/sound/usb/line6/driver.h
@@ -150,7 +150,7 @@ extern char *line6_alloc_sysex_buffer(struct usb_line6 *line6, int code1,
 extern int line6_read_data(struct usb_line6 *line6, int address, void *data,
                            size_t datalen);
 extern int line6_read_serial_number(struct usb_line6 *line6,
-                                    int *serial_number);
+                                    u32 *serial_number);
 extern int line6_send_raw_message_async(struct usb_line6 *line6,
                                         const char *buffer, int size);
 extern int line6_send_sysex_message(struct usb_line6 *line6,