On Wed, Apr 28, 2021 at 04:51:41PM +0200, Mauro Carvalho Chehab wrote:
> The pm_runtime_get_sync() internally increments the
> dev->power.usage_count without decrementing it, even on errors.
> Replace it by the new pm_runtime_resume_and_get(), introduced by:
> commit dd8088d5a896 ("PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter")
> in order to properly decrement the usage counter and avoid memory
> leaks.
Again, there is no memory leak here either. Just a potential PM usage
counter leak.
> Reviewed-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
> ---
> drivers/staging/media/rkvdec/rkvdec.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c
> index d821661d30f3..8c17615f3a7a 100644
> --- a/drivers/staging/media/rkvdec/rkvdec.c
> +++ b/drivers/staging/media/rkvdec/rkvdec.c
> @@ -658,7 +658,7 @@ static void rkvdec_device_run(void *priv)
> if (WARN_ON(!desc))
> return;
>
> - ret = pm_runtime_get_sync(rkvdec->dev);
> + ret = pm_runtime_resume_and_get(rkvdec->dev);
> if (ret < 0) {
> rkvdec_job_finish_no_pm(ctx, VB2_BUF_STATE_ERROR);
> return;
Johan
