From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755168AbdDLSVU (ORCPT ); Wed, 12 Apr 2017 14:21:20 -0400 Received: from mail-pg0-f43.google.com ([74.125.83.43]:35666 "EHLO mail-pg0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755079AbdDLSVT (ORCPT ); Wed, 12 Apr 2017 14:21:19 -0400 From: Matthias Kaehlcke To: Thomas Gleixner , Andrew Morton , Rusty Russell Cc: linux-kernel@vger.kernel.org, Grant Grundler , Greg Hackmann , Michael Davidson , Matthias Kaehlcke Subject: [PATCH v2 2/2] kernel/irq: Use cpumask_available() for check of cpumask variable Date: Wed, 12 Apr 2017 11:20:30 -0700 Message-Id: <20170412182030.83657-2-mka@chromium.org> X-Mailer: git-send-email 2.12.2.715.g7642488e1d-goog In-Reply-To: <20170412182030.83657-1-mka@chromium.org> References: <20170412182030.83657-1-mka@chromium.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This fixes the following clang warning when CONFIG_CPUMASK_OFFSTACK=y: kernel/irq/manage.c:839:28: error: address of array 'desc->irq_common_data.affinity' will always evaluate to 'true' [-Werror,-Wpointer-bool-conversion] Signed-off-by: Matthias Kaehlcke --- Changes in v2: - Use cpumask_available() instead if #ifdef construct kernel/irq/manage.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index a4afe5cc5af1..155e3c3357a1 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -852,7 +852,7 @@ irq_thread_check_affinity(struct irq_desc *desc, struct irqaction *action) * This code is triggered unconditionally. Check the affinity * mask pointer. For CPU_MASK_OFFSTACK=n this is optimized out. */ - if (desc->irq_common_data.affinity) + if (cpumask_available(desc->irq_common_data.affinity)) cpumask_copy(mask, desc->irq_common_data.affinity); else valid = false; -- 2.12.2.715.g7642488e1d-goog