ALSA: line6: Abort if inconsistent usbdev is found at disconnect
ALSA: line6: Abort if inconsistent usbdev is found at disconnect

It's utterly unsafe to proceed further the disconnect procedure if the
assigned usbdev is inconsistent with the expected object.  Better to
put a WARN_ON() for more cautions and abort immediately.

Tested-by: Chris Rorvick <711c73f64afdce07b7e38039a96d2224209e9a6c@rorvick.com>
Signed-off-by: Takashi Iwai <4596b3305151c7ee743192a95d394341e3d3b644@suse.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs