From 2a324fcdb568f4d7b0b65b271039beb987f6e1cd Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 20 Jan 2015 09:58:54 +0100
Subject: [PATCH] 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 <chris@rorvick.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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