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Subject[PATCH 3.2 041/152] USB: adutux: NULL dereferences on disconnect
3.2.67-rc1 review patch.  If anyone has any objections, please let me know.


From: Dan Carpenter <>

commit fc625960edecfb57e62c2975d1f155155e28e6ba upstream.

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

Fixes: 03270634e242 ('USB: Add ADU support for Ontrak ADU devices')
Signed-off-by: Dan Carpenter <>
Signed-off-by: Greg Kroah-Hartman <>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <>
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -865,15 +865,11 @@ static void adu_disconnect(struct usb_in
usb_set_intfdata(interface, NULL);

/* if the device is not opened, then we clean up right now */
- dbg(2," %s : open count %d", __func__, dev->open_count);
if (!dev->open_count)


- dev_info(&interface->dev, "ADU device adutux%d now disconnected\n",
- (minor - ADU_MINOR_BASE));
dbg(2," %s : leave", __func__);

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