From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Sat, 18 Aug 2012 15:55:15 +0000 (+0300)
Subject: sound: oss/sb_audio: prevent divide by zero bug
X-Git-Tag: v3.6-rc3~14^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=94f3ec6b2222eb5c0af0c784f0656ff5b909d870;p=pandora-kernel.git

sound: oss/sb_audio: prevent divide by zero bug

Speed comes from get_user() in audio_ioctl().  We use it to set the "s"
variable before clamping it to valid values so it could lead to a divide
by zero bug.

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