usb: hcd: get/put device and hcd for hcd_buffers()

Commit Message

Sebastian Andrzej Siewior Dec. 8, 2014, 8:43 a.m. UTC

* Sebastian Andrzej Siewior | 2014-12-06 00:23:27 [+0100]:

>I had one patch doing that. Let me grab it out on Monday.

okay, this is it. Laurent, any idea why this could not fly? I haven't
seen anything odd so far.

Patch

diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 7c8322d4fc63..d656c7de25ef 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -1703,6 +1703,7 @@  static void uvc_unregister_video(struct uvc_device *dev)
 		stream->vdev = NULL;
 
 		uvc_debugfs_cleanup_stream(stream);
+		uvc_video_enable(stream, 0);
 	}
 
 	/* Decrement the stream count and call uvc_delete explicitly if there
@@ -1950,10 +1951,6 @@  static void uvc_disconnect(struct usb_interface *intf)
 	 */
 	usb_set_intfdata(intf, NULL);
 
-	if (intf->cur_altsetting->desc.bInterfaceSubClass ==
-	    UVC_SC_VIDEOSTREAMING)
-		return;
-
 	dev->state |= UVC_DEV_DISCONNECTED;
 
 	uvc_unregister_video(dev);