lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [day] [month] [year] [list]
Message-ID: <1363768134.3758.6.camel@phoenix>
Date:	Wed, 20 Mar 2013 16:28:54 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	MyungJoo Ham <myungjoo.ham@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] PM / devfreq: exynos4_bus: Fix missing mutex_unlock if
 opp_find_freq_floor fails

We need to call mutex_unlock() in the error path.

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 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



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ