From 49fd46d2ffc92de3f4bd2e337f60b8b6052dc8b6 Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@zonque.org>
Date: Sun, 19 Oct 2014 09:11:25 +0200
Subject: [PATCH] ALSA: snd-usb: drop unused varible assigments

Don't assign 'len' in cases where we don't make use of the returned value.

Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Reading git-format-patch failed