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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: 03270634e2 ('USB: Add ADU support for Ontrak ADU devices')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2014-11-26 17:06:49 +03:00 committed by Greg Kroah-Hartman
parent 67c3c5e28e
commit fc625960ed
1 changed files with 0 additions and 5 deletions
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5
drivers/usb/misc/adutux.c
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@ -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 */