ALSA: line6: Yet more cleanup of superfluous NULL checks

... in line6_disconnect() as well.

Tested-by: Chris Rorvick <chris@rorvick.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 2 insertions, 11 deletions

diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c
index 93cd4daa56bc..e8d51381ffdb 100644
--- a/sound/usb/line6/driver.c
+++ b/sound/usb/line6/driver.c
@@ -579,18 +579,9 @@ EXPORT_SYMBOL_GPL(line6_probe);
 */
 void line6_disconnect(struct usb_interface *interface)
 {
-        struct usb_line6 *line6;
-        struct usb_device *usbdev;
-        int interface_number;
-
-        if (interface == NULL)
-                return;
-        usbdev = interface_to_usbdev(interface);
-        if (usbdev == NULL)
-                return;
+        struct usb_line6 *line6 = usb_get_intfdata(interface);
+        struct usb_device *usbdev = interface_to_usbdev(interface);
 
-        interface_number = interface->cur_altsetting->desc.bInterfaceNumber;
-        line6 = usb_get_intfdata(interface);
         if (!line6)
                 return;