From mboxrd@z Thu Jan 1 00:00:00 1970 From: Toshi Kani Subject: [PATCH] ACPI / memhotplug: Fix a stale pointer in error path Date: Wed, 10 Jul 2013 10:47:13 -0600 Message-ID: <1373474833-14047-1-git-send-email-toshi.kani@hp.com> Return-path: Received: from g6t0187.atlanta.hp.com ([15.193.32.64]:30612 "EHLO g6t0187.atlanta.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754211Ab3GJQr5 (ORCPT ); Wed, 10 Jul 2013 12:47:57 -0400 Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: rjw@sisk.pl Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, Toshi Kani 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 --- 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; }