Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932902Ab3GLOwX (ORCPT ); Fri, 12 Jul 2013 10:52:23 -0400 Received: from g1t0029.austin.hp.com ([15.216.28.36]:45883 "EHLO g1t0029.austin.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932588Ab3GLOwV (ORCPT ); Fri, 12 Jul 2013 10:52:21 -0400 Message-ID: <1373640689.24916.15.camel@misato.fc.hp.com> Subject: Re: [PATCH] ACPI / memhotplug: Fix a stale pointer in error path From: Toshi Kani To: Yasuaki Ishimatsu Cc: rjw@sisk.pl, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Date: Fri, 12 Jul 2013 08:51:29 -0600 In-Reply-To: <51DF4CB6.4060903@jp.fujitsu.com> References: <1373474833-14047-1-git-send-email-toshi.kani@hp.com> <51DF4CB6.4060903@jp.fujitsu.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.6.4 (3.6.4-3.fc18) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1482 Lines: 48 On Fri, 2013-07-12 at 09:24 +0900, Yasuaki Ishimatsu wrote: > (2013/07/11 1:47), Toshi Kani wrote: > > device->driver_data needs to be cleared when releasing its data, > > mem_device, in an error path of acpi_memory_device_add(). > > > > Signed-off-by: Toshi Kani > > --- > > Reviewed-by: Yasuaki Ishimatsu Thanks Yasuaki! -Toshi > > Thanks, > Yasuaki Ishimatsu > > > drivers/acpi/acpi_memhotplug.c | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c > > index c711d11..999adb5 100644 > > --- a/drivers/acpi/acpi_memhotplug.c > > +++ b/drivers/acpi/acpi_memhotplug.c > > @@ -323,6 +323,7 @@ static int acpi_memory_device_add(struct acpi_device *device, > > /* Get the range from the _CRS */ > > result = acpi_memory_get_device_resources(mem_device); > > if (result) { > > + device->driver_data = NULL; > > kfree(mem_device); > > return result; > > } > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-acpi" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/