Commit 4960ce27 authored by Dan Carpenter's avatar Dan Carpenter Committed by Luis Henriques

USB: adutux: NULL dereferences on disconnect

commit fc625960 upstream.

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>
Signed-off-by: default avatarLuis Henriques <luis.henriques@canonical.com>
parent cb7e626a
......@@ -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 */
......
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