diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-02-10 10:26:38 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-02-10 10:26:38 +0000 |
| commit | df9ab9771c64f5229843bfe2a20fe0ee6ac59fc1 (patch) | |
| tree | a091be1024bd76627f78e791e377126e47703b7b /drivers/cpufreq/cpufreq.c | |
| parent | ed8f8ce38d0f7b505d7da2d79522972e962457c2 (diff) | |
| parent | 4e1c0664de11e4b5861957ab4ddff2aeeffd042f (diff) | |
Merge branch 'devel-stable' into for-next
Diffstat (limited to 'drivers/cpufreq/cpufreq.c')
| -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 a09a29c312a..46bed4f81cd 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -2028,6 +2028,12 @@ static int __cpufreq_governor(struct cpufreq_policy *policy, /* Don't start any governor operations if we are entering suspend */ if (cpufreq_suspended) return 0; + /* + * Governor might not be initiated here if ACPI _PPC changed + * notification happened, so check it. + */ + if (!policy->governor) + return -EINVAL; if (policy->governor->max_transition_latency && policy->cpuinfo.transition_latency > |