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Commit fc625960 authored by Dan Carpenter's avatar Dan Carpenter Committed by Greg Kroah-Hartman
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USB: adutux: NULL dereferences on disconnect 



Both "dev->udev" and "interface->dev" are NULL.  These printks are not
very interesting so I just deleted them.

Fixes: 03270634 ('USB: Add ADU support for Ontrak ADU devices')
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 67c3c5e2

drivers/usb/misc/adutux.c

+0 −5
Original line number Diff line number Diff line
@@ -814,15 +814,10 @@ static void adu_disconnect(struct usb_interface *interface) 
	usb_set_intfdata(interface, NULL);



	/* if the device is not opened, then we clean up right now */

	dev_dbg(&dev->udev->dev, "%s : open count %d\n",

		__func__, dev->open_count);

	if (!dev->open_count)

		adu_delete(dev);



	mutex_unlock(&adutux_mutex);



	dev_info(&interface->dev, "ADU device adutux%d now disconnected\n",

		 (minor - ADU_MINOR_BASE));

}



/* usb specific object needed to register this driver with the usb subsystem */