cpufreq: Avoid false-positive WARN_ON()s in cpufreq_update_policy()

[cascardo/linux.git] / drivers / cpufreq / cpufreq.c

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 9009295..5617c70 100644 (file)
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -2261,6 +2261,10 @@ int cpufreq_update_policy(unsigned int cpu)
         * -> ask driver for current freq and notify governors about a change
         */
        if (cpufreq_driver->get && !cpufreq_driver->setpolicy) {
+               if (cpufreq_suspended) {
+                       ret = -EAGAIN;
+                       goto unlock;
+               }
                new_policy.cur = cpufreq_update_current_freq(policy);
                if (WARN_ON(!new_policy.cur)) {
                        ret = -EIO;