From mboxrd@z Thu Jan 1 00:00:00 1970 From: Li Zefan Subject: [PATCH] ACPI: check a return value correctly in acpi_power_get_context() Date: Mon, 07 Apr 2008 16:57:06 +0800 Message-ID: <47F9E1E2.5020506@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from cn.fujitsu.com ([222.73.24.84]:51208 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1755474AbYDGI7I (ORCPT ); Mon, 7 Apr 2008 04:59:08 -0400 Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: lenb@kernel.org Cc: linux-acpi@vger.kernel.org, LKML We should check *resource != NULL rather than resource != NULL, which will be always true. Signed-off-by: Li Zefan --- drivers/acpi/power.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 76bf6d9..f2a76ac 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -121,7 +121,7 @@ acpi_power_get_context(acpi_handle handle, } *resource = acpi_driver_data(device); - if (!resource) + if (!*resource) return -ENODEV; return 0; -- 1.5.4.rc3