[PATCH 5.12 323/700] PM / devfreq: Add missing error code in devfreq_add_device()

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From: YueHaibing <yuehaibing@xxxxxxxxxx>

[ Upstream commit 18b380ed61f892ed06838d1f1a5124d966292ed3 ]

Set err code in the error path before jumping to the end of the function.

Fixes: 4dc3bab8687f ("PM / devfreq: Add support delayed timer for polling mode")
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/devfreq/devfreq.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 59ba59bea0f5..db1bc8cf9276 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -822,6 +822,7 @@ struct devfreq *devfreq_add_device(struct device *dev,
 	if (devfreq->profile->timer < 0
 		|| devfreq->profile->timer >= DEVFREQ_TIMER_NUM) {
 		mutex_unlock(&devfreq->lock);
+		err = -EINVAL;
 		goto err_dev;
 	}
 
-- 
2.30.2






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