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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2013-02-22 12:33:50 +0800
committerMyungJoo Ham <myungjoo.ham@samsung.com>2013-06-03 20:20:29 +0900
commit5751cdc0c9337b4f5fdd05f45ca3483e7cd7a708 (patch)
treec79b6c0a1066b46faf5f2941248017b9bd775bb1
parentde9c739435b47e7d39e448b2cc4c8154cabc9e5a (diff)
downloadlinux-5751cdc0c9337b4f5fdd05f45ca3483e7cd7a708.tar.bz2
PM / devfreq: fix missing unlock on error in exynos4_busfreq_pm_notifier_event()
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_wei@trendmicro.com.cn> [Resolved path conflicts by MyungJoo Ham] Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
-rw-r--r--drivers/devfreq/exynos/exynos4_bus.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/devfreq/exynos/exynos4_bus.c b/drivers/devfreq/exynos/exynos4_bus.c
index 3f37f3b3f268..c5f86d8caca3 100644
--- a/drivers/devfreq/exynos/exynos4_bus.c
+++ b/drivers/devfreq/exynos/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);