[media] tm6000: Fix check for interrupt endpoint

Checking for &dev->int_in is useless because it returns the address of
the embedded struct tm6000_endpoint, which will always be positive and
therefore true.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/tm6000/tm6000-video.c b/drivers/media/video/tm6000/tm6000-video.c
index 7ce967b..bc13db7 100644
--- a/drivers/media/video/tm6000/tm6000-video.c
+++ b/drivers/media/video/tm6000/tm6000-video.c
@@ -1612,7 +1612,7 @@
 
 		usb_reset_configuration(dev->udev);
 
-		if (&dev->int_in)
+		if (dev->int_in.endp)
 			usb_set_interface(dev->udev,
 					dev->isoc_in.bInterfaceNumber, 2);
 		else