From: Lukasz Luba lukasz.luba@arm.com
commit 8b50a7995770d41a2e8d9c422cd2882aca0dedd2 upstream.
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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/devfreq/devfreq.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -821,7 +821,8 @@ struct devfreq *devfreq_add_device(struc
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) {