From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756834Ab0EEGtA (ORCPT ); Wed, 5 May 2010 02:49:00 -0400 Received: from mail-px0-f174.google.com ([209.85.212.174]:45203 "EHLO mail-px0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753137Ab0EEGs7 (ORCPT ); Wed, 5 May 2010 02:48:59 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:mime-version:content-type :content-disposition:user-agent; b=n5kqIQ5Ydtkv9fajRv5T32FkYSBHveGdD72kmJ7A+IKVYKyThbtv92FPydtIcd/mOe 8f9pzB27HYNP4S9W5+xrAXmDw4gTPClUhgZJPSQIEik50YnD1CjfNsSGtqaiyEiHkgdz tpvAvwOxXA0WxVRwQS17dkoguOLyFAOkxgvJo= Date: Wed, 5 May 2010 14:56:52 +0800 From: wzt.wzt@gmail.com To: linux-kernel@vger.kernel.org Cc: devel@driverdev.osuosl.org, gregkh@suse.de Subject: [PATCH] Staging: Check kmalloc return value before use the buffer in ieee80211_softmac.c Message-ID: <20100505065652.GB7495@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Check kmalloc return value before use the buffer. Signed-off-by: Zhitong Wang --- .../staging/rtl8192u/ieee80211/ieee80211_softmac.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c index 27d9257..8718ac9 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c @@ -1579,6 +1579,8 @@ static inline u16 auth_parse(struct sk_buff *skb, u8** challenge, int *chlen) if(*(t++) == MFIE_TYPE_CHALLENGE){ *chlen = *(t++); *challenge = (u8*)kmalloc(*chlen, GFP_ATOMIC); + if (!*challenge) + return -ENOMEM; memcpy(*challenge, t, *chlen); } } -- 1.6.5.3