Staging: line6/midi.c: Fixed call of obsolete function strict_strtoul

The function strict_strtoul is obsolete and should be replaced by the
new kstrto* functions.

The variable midi_mask_transmit is only used as unsigned short and the
datatypes of all affected variables were adjusted accordingly.

Signed-off-by: Andor Daam <andor.daam@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/line6/midi.c b/drivers/staging/line6/midi.c
index 7f1e90e..3d1ada6 100644
--- a/drivers/staging/line6/midi.c
+++ b/drivers/staging/line6/midi.c
@@ -307,10 +307,10 @@
 {
 	struct usb_interface *interface = to_usb_interface(dev);
 	struct usb_line6 *line6 = usb_get_intfdata(interface);
-	unsigned long value;
+	unsigned short value;
 	int ret;
 
-	ret = strict_strtoul(buf, 10, &value);
+	ret = kstrtou16(buf, 10, &value);
 	if (ret)
 		return ret;
 
diff --git a/drivers/staging/line6/midi.h b/drivers/staging/line6/midi.h
index b73a025..2c0a663 100644
--- a/drivers/staging/line6/midi.h
+++ b/drivers/staging/line6/midi.h
@@ -57,7 +57,7 @@
 	/**
 		 Bit mask for output MIDI channels.
 	*/
-	int midi_mask_transmit;
+	unsigned short midi_mask_transmit;
 
 	/**
 		 Bit mask for input MIDI channels.