From: Wei Yongjun <yongjun_...@trendmicro.com.cn>
Add the missing unlock before return from function
exynos4_busfreq_pm_notifier_event() in the error
handling case.
This issue introduced by commit 8fa938
(PM / devfreq: exynos4_bus: honor RCU lock usage)
Signed-off-by: Wei Yongjun <yongjun_...@trendmicro.com.cn>
---
drivers/devfreq/exynos4_bus.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/devfreq/exynos4_bus.c b/drivers/devfreq/exynos4_bus.c
index 46d94e9..6208a68 100644
--- a/drivers/devfreq/exynos4_bus.c
+++ b/drivers/devfreq/exynos4_bus.c
@@ -974,6 +974,7 @@ 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__);
+ mutex_unlock(&data->lock);
return PTR_ERR(opp);
}
new_oppinfo.rate = opp_get_freq(opp);
--
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