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Commit 96ca014d authored by Oliver Neukum's avatar Oliver Neukum Committed by Greg Kroah-Hartman
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USB: fix transvibrator disconnect race 



in disconnect you set the interface's private data to NULL. In your IO
methods you unconditionally follow the pointer into never never land.

Signed-off-by: default avatarOliver Neukum <oliver@neukum.name>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 6a7255e1

drivers/usb/misc/trancevibrator.c

+1 −1
Original line number Diff line number Diff line
@@ -120,8 +120,8 @@ static void tv_disconnect(struct usb_interface *interface) 
	struct trancevibrator *dev;



	dev = usb_get_intfdata (interface);

	usb_set_intfdata(interface, NULL);

	device_remove_file(&interface->dev, &dev_attr_speed);

	usb_set_intfdata(interface, NULL);

	usb_put_dev(dev->udev);

	kfree(dev);

}