OpenWrt
| /branches/gl-inet/target/linux/ipq806x/patches-4.14/0056-cpufreq-dt-Add-missing-rcu-locks.patch |
|---|
| @@ -0,0 +1,23 @@ |
| From 001a8dcb56ced58c518aaa10a4f0ba5e878705b6 Mon Sep 17 00:00:00 2001 |
| From: Georgi Djakov <georgi.djakov@linaro.org> |
| Date: Tue, 17 May 2016 16:15:43 +0300 |
| Subject: [PATCH 56/69] cpufreq-dt: Add missing rcu locks |
| Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> |
| --- |
| drivers/cpufreq/cpufreq-dt.c | 2 ++ |
| 1 file changed, 2 insertions(+) |
| --- a/drivers/cpufreq/cpufreq-dt.c |
| +++ b/drivers/cpufreq/cpufreq-dt.c |
| @@ -143,8 +143,10 @@ static int opp_notifier(struct notifier_ |
| ret = PTR_ERR(cpu_reg); |
| goto out; |
| } |
| + rcu_read_lock(); |
| volt = dev_pm_opp_get_voltage(opp); |
| freq = dev_pm_opp_get_freq(opp); |
| + rcu_read_unlock(); |
| mutex_lock(&priv->lock); |
| if (freq == priv->opp_freq) { |