From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755349Ab0EGJFr (ORCPT ); Fri, 7 May 2010 05:05:47 -0400 Received: from mail-px0-f174.google.com ([209.85.212.174]:34927 "EHLO mail-px0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753673Ab0EGJFp (ORCPT ); Fri, 7 May 2010 05:05:45 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=geeRdn0Vw0/hGCvX2O7lsualcMFqiBPYymbNjgTOtV+Sryu3Gj1LglOASQXHCxhGta +FrcchvROwk4gRAHc6BXSJmHIrihRs+/pRYQzCCYhLFSYB72xzxrewDqf9nXoaE7owz1 XU+1GH1RuQejLC/2SHK65XYysGQWONV8odq3o= MIME-Version: 1.0 Date: Fri, 7 May 2010 17:05:44 +0800 Message-ID: Subject: [PATCH] Check kmalloc return value before use the buffer From: Steven Liu To: Linus WALLEIJ , linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: LiuQi --- arch/arm/mach-u300/dummyspichip.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-u300/dummyspichip.c b/arch/arm/mach-u300/dummyspichip.c index 5f55012..df19f9b 100644 --- a/arch/arm/mach-u300/dummyspichip.c +++ b/arch/arm/mach-u300/dummyspichip.c @@ -64,6 +64,11 @@ static ssize_t dummy_looptest(struct device *dev, goto out; } bigrxbuf_virtual = kmalloc(DMA_TEST_SIZE, GFP_KERNEL); + if (bigrxbuf_virtual == NULL) { + status = -ENOMEM; + kfree(bigtxbuf_virtual); + goto out; + } /* Fill TXBUF with some happy pattern */ memset(bigtxbuf_virtual, 0xAA, DMA_TEST_SIZE); -- 1.6.0.3