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| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2018-03-20 18:06:13 +0100 |
|---|---|---|
| committer | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2018-03-20 18:06:13 +0100 |
| commit | bb6a03d6659145bfb28425f9d3eb7ff97c1607c4 (patch) | |
| tree | 809289f74a53a0b1c2fd1d8973c36bfe86a8867b /drivers/cpufreq | |
| parent | ba4f591fc7d6defdfef5cef8dca1a60d9b9879b3 (diff) | |
| parent | 42b96e19dddd6fa35aba5f57f8bcc284a4c3049d (diff) | |
| download | linux-rt-bb6a03d6659145bfb28425f9d3eb7ff97c1607c4.tar.gz | |
Merge tag 'v4.14.28' into linux-4.14.y-rt
This is the 4.14.28 stable release
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/cpufreq.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index ea43b147a7fe..bb1e148ebfd4 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -631,6 +631,8 @@ static int cpufreq_parse_governor(char *str_governor, unsigned int *policy, *governor = t; err = 0; } + if (t && !try_module_get(t->owner)) + t = NULL; mutex_unlock(&cpufreq_governor_mutex); } @@ -759,6 +761,10 @@ static ssize_t store_scaling_governor(struct cpufreq_policy *policy, return -EINVAL; ret = cpufreq_set_policy(policy, &new_policy); + + if (new_policy.governor) + module_put(new_policy.governor->owner); + return ret ? ret : count; } |