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PM / devfreq: Unlock mutex and free devfreq struct in error path

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The devfreq->lock is held for time of setup. Release the lock in the
error path, before jumping to the end of the function.

Change the goto destination which frees the allocated memory.

Cc: v5.9+ <stable@vger.kernel.org> # v5.9+
Fixes: 4dc3bab8687f ("PM / devfreq: Add support delayed timer for polling mode")
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Lukasz Luba 2021-03-15 09:31:23 +00:00 committed by Chanwoo Choi
parent 75d1b0b667
commit 8b50a79957
1 changed files with 2 additions and 1 deletions
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3
drivers/devfreq/devfreq.c
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@ -822,7 +822,8 @@ struct devfreq *devfreq_add_device(struct device *dev,
if (devfreq->profile->timer < 0
|| devfreq->profile->timer >= DEVFREQ_TIMER_NUM) {
goto err_out;
mutex_unlock(&devfreq->lock);
goto err_dev;
}
if (!devfreq->profile->max_state && !devfreq->profile->freq_table) {