PM / devfreq: Add missing error code in devfreq_add_device()

[ 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@huawei.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 98f03a0..829128c 100644 (file)
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -789,6 +789,7 @@ 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;
        }