diff options
Diffstat (limited to 'drivers/devfreq')
| -rw-r--r-- | drivers/devfreq/devfreq.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index fa1bdde89ffc..4af608a61cd9 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -689,10 +689,22 @@ struct devfreq *devfreq_add_device(struct device *dev, devfreq->profile->max_state, devfreq->profile->max_state), GFP_KERNEL); + if (!devfreq->trans_table) { + mutex_unlock(&devfreq->lock); + err = -ENOMEM; + goto err_devfreq; + } + devfreq->time_in_state = devm_kcalloc(&devfreq->dev, devfreq->profile->max_state, sizeof(unsigned long), GFP_KERNEL); + if (!devfreq->time_in_state) { + mutex_unlock(&devfreq->lock); + err = -ENOMEM; + goto err_devfreq; + } + devfreq->last_stat_updated = jiffies; srcu_init_notifier_head(&devfreq->transition_notifier_list); @@ -726,7 +738,7 @@ struct devfreq *devfreq_add_device(struct device *dev, err_init: mutex_unlock(&devfreq_list_lock); - +err_devfreq: devfreq_remove_device(devfreq); devfreq = NULL; err_dev: |