pm_runtime_get_sync() will increment pm usage counter even when it returns an error code. We should call put operation in error handling paths of omap_aes_hw_init. Signed-off-by: Zhang Qilong <zhangqilong3@xxxxxxxxxx> --- drivers/crypto/omap-aes.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c index 4fd14d90cc40..70ea5784a024 100644 --- a/drivers/crypto/omap-aes.c +++ b/drivers/crypto/omap-aes.c @@ -105,6 +105,7 @@ static int omap_aes_hw_init(struct omap_aes_dev *dd) err = pm_runtime_get_sync(dd->dev); if (err < 0) { + pm_runtime_put_noidle(dd->dev); dev_err(dd->dev, "failed to get sync: %d\n", err); return err; } -- 2.17.1