From 1c62e9f2b5a97c53aaae490f844949d32cca6dc6 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Sun, 21 Apr 2013 14:07:29 +0300
Subject: [PATCH] ALSA: compress: info leak in snd_compr_get_caps()

If the ->get_caps() function doesn't clear the buffer then there would
stack information leaked to userspace.  For example,
soc_compr_get_caps() can return success without clearing the buffer.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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