From: Yongjian Xu <xuyongjiande@gmail.com>
Date: Wed, 18 Dec 2013 07:45:12 +0000 (+0800)
Subject: char: Int overflow in lp_do_ioctl().
X-Git-Tag: v3.14-rc1~152^2~53
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1c2de820d66d704c7d6fffdd872b7670eb4e29bb;p=pandora-kernel.git

char: Int overflow in lp_do_ioctl().

arg comes from user-space, so int overflow may occur:
	LP_TIME(minor) = arg * HZ/100;

Reported-by: Yongjian Xu <xuyongjiande@gmail.com>
Suggested-by: Qixue Xiao <s2exqx@gmail.com>
Signed-off-by: Yu Chen <chyyuu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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