* [PATCH] PM / devfreq: exynos4_bus: Fix missing mutex_unlock if opp_find_freq_floor fails
@ 2013-03-20 8:28 Axel Lin
0 siblings, 0 replies; only message in thread
From: Axel Lin @ 2013-03-20 8:28 UTC (permalink / raw)
To: MyungJoo Ham, Kyungmin Park; +Cc: linux-kernel
We need to call mutex_unlock() in the error path.
Signed-off-by: Axel Lin <axel.lin@ingics.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
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2013-03-20 8:28 [PATCH] PM / devfreq: exynos4_bus: Fix missing mutex_unlock if opp_find_freq_floor fails Axel Lin
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