From 5a220c868e395bc3662d13ad4c2a18769075af54 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 17 Mar 2008 09:59:32 +0100
Subject: [PATCH] [ALSA] usb-audio - Add a proper error check

The error in check_hw_params_convention() has to be checked and
handled properly.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
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