From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933959Ab3CTI3D (ORCPT ); Wed, 20 Mar 2013 04:29:03 -0400 Received: from mail-pb0-f54.google.com ([209.85.160.54]:62195 "EHLO mail-pb0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751213Ab3CTI3B (ORCPT ); Wed, 20 Mar 2013 04:29:01 -0400 Message-ID: <1363768134.3758.6.camel@phoenix> Subject: [PATCH] PM / devfreq: exynos4_bus: Fix missing mutex_unlock if opp_find_freq_floor fails From: Axel Lin To: MyungJoo Ham , Kyungmin Park Cc: linux-kernel@vger.kernel.org Date: Wed, 20 Mar 2013 16:28:54 +0800 Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We need to call mutex_unlock() in the error path. Signed-off-by: Axel Lin --- drivers/devfreq/exynos4_bus.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/devfreq/exynos4_bus.c b/drivers/devfreq/exynos4_bus.c index 1deee09..54b9615 100644 --- a/drivers/devfreq/exynos4_bus.c +++ b/drivers/devfreq/exynos4_bus.c @@ -974,7 +974,8 @@ static int exynos4_busfreq_pm_notifier_event(struct notifier_block *this, rcu_read_unlock(); dev_err(data->dev, "%s: unable to find a min freq\n", __func__); - return PTR_ERR(opp); + err = PTR_ERR(opp); + goto unlock; } new_oppinfo.rate = opp_get_freq(opp); new_oppinfo.volt = opp_get_voltage(opp); -- 1.7.9.5