From patchwork Thu Apr 20 14:43:11 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juri Lelli X-Patchwork-Id: 9690741 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3C9E96038D for ; Thu, 20 Apr 2017 14:45:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2DD2828488 for ; Thu, 20 Apr 2017 14:45:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 229B02848D; Thu, 20 Apr 2017 14:45:29 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C52A22848B for ; Thu, 20 Apr 2017 14:45:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S946459AbdDTOnb (ORCPT ); Thu, 20 Apr 2017 10:43:31 -0400 Received: from foss.arm.com ([217.140.101.70]:55214 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S946457AbdDTOn3 (ORCPT ); Thu, 20 Apr 2017 10:43:29 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 01A4D169F; Thu, 20 Apr 2017 07:43:29 -0700 (PDT) Received: from e106622-lin.cambridge.arm.com (e106622-lin.cambridge.arm.com [10.1.211.43]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 4F69D3F4FF; Thu, 20 Apr 2017 07:43:26 -0700 (PDT) From: Juri Lelli To: linux-kernel@vger.kernel.org Cc: linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, peterz@infradead.org, vincent.guittot@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, linux@arm.linux.org.uk, sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, catalin.marinas@arm.com, will.deacon@arm.com, morten.rasmussen@arm.com, dietmar.eggemann@arm.com, juri.lelli@arm.com, broonie@kernel.org, gregkh@linuxfoundation.org Subject: [PATCH v4 3/8] arm: fix return value of parse_cpu_capacity Date: Thu, 20 Apr 2017 15:43:11 +0100 Message-Id: <20170420144316.15632-4-juri.lelli@arm.com> X-Mailer: git-send-email 2.10.0 In-Reply-To: <20170420144316.15632-1-juri.lelli@arm.com> References: <20170420144316.15632-1-juri.lelli@arm.com> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP parse_cpu_capacity() has to return 0 on failure, but it currently returns 1 instead if raw_capacity kcalloc failed. Fix it (by directly returning 0). Cc: Russell King Reported-by: Morten Rasmussen Fixes: 06073ee26775 ('ARM: 8621/3: parse cpu capacity-dmips-mhz from DT') Signed-off-by: Juri Lelli Acked-by: Russell King Acked-by: Vincent Guittot --- Changes from v3: - directly return 0 on failure (as pointed out by Vincent) --- arch/arm/kernel/topology.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c index f8a3ab82e77f..1b8ec3054642 100644 --- a/arch/arm/kernel/topology.c +++ b/arch/arm/kernel/topology.c @@ -166,7 +166,7 @@ static int __init parse_cpu_capacity(struct device_node *cpu_node, int cpu) if (!raw_capacity) { pr_err("cpu_capacity: failed to allocate memory for raw capacities\n"); cap_parsing_failed = true; - return !ret; + return 0; } } capacity_scale = max(cpu_capacity, capacity_scale);