From patchwork Wed Feb 26 20:17:37 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saravana Kannan X-Patchwork-Id: 3728651 Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 0264C9F2ED for ; Wed, 26 Feb 2014 20:18:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 262D7201FE for ; Wed, 26 Feb 2014 20:18:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2C00D20204 for ; Wed, 26 Feb 2014 20:18:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751929AbaBZURs (ORCPT ); Wed, 26 Feb 2014 15:17:48 -0500 Received: from smtp.codeaurora.org ([198.145.11.231]:33532 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750765AbaBZURr (ORCPT ); Wed, 26 Feb 2014 15:17:47 -0500 Received: from smtp.codeaurora.org (localhost [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id 8DAFF13EFFC; Wed, 26 Feb 2014 20:17:47 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 486) id 80C9413F128; Wed, 26 Feb 2014 20:17:47 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from skannan1-linux.qualcomm.com (i-global252.qualcomm.com [199.106.103.252]) (using TLSv1.1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: skannan@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id F09BA13EFFC; Wed, 26 Feb 2014 20:17:46 +0000 (UTC) From: Saravana Kannan To: "Rafael J. Wysocki" , Viresh Kumar Cc: linux-pm@vger.kernel.org, cpufreq@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, "Saravana Kannan" Subject: [PATCH 2/3] cpufreq: stats: Fix error handling in __cpufreq_stats_create_table() Date: Wed, 26 Feb 2014 12:17:37 -0800 Message-Id: <1393445858-7062-2-git-send-email-skannan@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 X-Virus-Scanned: ClamAV using ClamSMTP 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 Remove sysfs group if __cpufreq_stats_create_table() fails after creating one. Acked-by: Viresh Kumar Signed-off-by: Saravana Kannan --- drivers/cpufreq/cpufreq_stats.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c index e4bd27f..c52b440 100644 --- a/drivers/cpufreq/cpufreq_stats.c +++ b/drivers/cpufreq/cpufreq_stats.c @@ -216,7 +216,7 @@ static int __cpufreq_stats_create_table(struct cpufreq_policy *policy, stat->time_in_state = kzalloc(alloc_size, GFP_KERNEL); if (!stat->time_in_state) { ret = -ENOMEM; - goto error_out; + goto error_alloc; } stat->freq_table = (unsigned int *)(stat->time_in_state + count); @@ -237,6 +237,8 @@ static int __cpufreq_stats_create_table(struct cpufreq_policy *policy, stat->last_index = freq_table_get_index(stat, policy->cur); spin_unlock(&cpufreq_stats_lock); return 0; +error_alloc: + sysfs_remove_group(&policy->kobj, &stats_attr_group); error_out: kfree(stat); per_cpu(cpufreq_stats_table, cpu) = NULL;