From 18c1c3f694105ab2a6f43e054e23f9a751b2f869 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Fri, 25 Aug 2006 11:39:34 +0200
Subject: [PATCH] [ALSA] Return error if no user TLV is defined

Retrun error to user TLV_READ ioctl if no TLV is defined.
(Until now, nothing was written and rerunred successfully.)

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
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Reading git-format-patch failed