Messages in this thread Patch in this message | | | Date | Fri, 22 Feb 2013 12:33:50 +0800 | Subject | [PATCH] PM / devfreq: fix missing unlock on error in exynos4_busfreq_pm_notifier_event() | From | Wei Yongjun <> |
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From: Wei Yongjun <yongjun_wei@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_wei@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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