Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965493AbbEECti (ORCPT ); Mon, 4 May 2015 22:49:38 -0400 Received: from mail-pa0-f52.google.com ([209.85.220.52]:35753 "EHLO mail-pa0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965428AbbEECrw (ORCPT ); Mon, 4 May 2015 22:47:52 -0400 From: Hanjun Guo To: "Rafael J. Wysocki" Cc: Will Deacon , Catalin Marinas , Boris Ostrovsky , Stefano Stabellini , Lorenzo Pieralisi , Sudeep Holla , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linaro-acpi@lists.linaro.org, Hanjun Guo Subject: [PATCH v2 5/7] Xen / ACPI / processor: Remove unneeded NULL check in xen_acpi_processor_enable() Date: Tue, 5 May 2015 10:46:36 +0800 Message-Id: <1430793998-21631-6-git-send-email-hanjun.guo@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1430793998-21631-1-git-send-email-hanjun.guo@linaro.org> References: <1430793998-21631-1-git-send-email-hanjun.guo@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1489 Lines: 38 Before xen_acpi_processor_enable() is called, struct acpi_processor *pr is allocated in xen_acpi_processor_add() and checked if it's NULL, so no need to check again when passed to xen_acpi_processor_enable(), just remove it. Signed-off-by: Hanjun Guo CC: Boris Ostrovsky CC: Stefano Stabellini --- drivers/xen/xen-acpi-cpuhotplug.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/drivers/xen/xen-acpi-cpuhotplug.c b/drivers/xen/xen-acpi-cpuhotplug.c index 5a62aa0..f4a3694 100644 --- a/drivers/xen/xen-acpi-cpuhotplug.c +++ b/drivers/xen/xen-acpi-cpuhotplug.c @@ -46,13 +46,7 @@ static int xen_acpi_processor_enable(struct acpi_device *device) unsigned long long value; union acpi_object object = { 0 }; struct acpi_buffer buffer = { sizeof(union acpi_object), &object }; - struct acpi_processor *pr; - - pr = acpi_driver_data(device); - if (!pr) { - pr_err(PREFIX "Cannot find driver data\n"); - return -EINVAL; - } + struct acpi_processor *pr = acpi_driver_data(device); if (!strcmp(acpi_device_hid(device), ACPI_PROCESSOR_OBJECT_HID)) { /* Declared with "Processor" statement; match ProcessorID */ -- 1.9.1 -- 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/