| Message ID | 1615294733-22761-21-git-send-email-aisheng.dong@nxp.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | PM / devfreq: a few small fixes and improvements | expand |
diff --git a/drivers/devfreq/governor.h b/drivers/devfreq/governor.h index 31af6d072a10..67a6dbdd5d23 100644 --- a/drivers/devfreq/governor.h +++ b/drivers/devfreq/governor.h @@ -89,6 +89,9 @@ int devfreq_update_target(struct devfreq *devfreq, unsigned long freq); static inline int devfreq_update_stats(struct devfreq *df) { + if (!df->profile->get_dev_status) + return -EINVAL; + return df->profile->get_dev_status(df->dev.parent, &df->last_status); } #endif /* _GOVERNOR_H */
Check .get_dev_status() in devfreq_update_stats in case it's abused when a device does not provide it. Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com> --- drivers/devfreq/governor.h | 3 +++ 1 file changed, 3 insertions(+)