crypto: omap-aes - Fix PM reference leak on omap-aes.c

pm_runtime_get_sync will increment pm usage counter even it failed.
Forgetting to putting operation will result in reference leak here.
Fix it by replacing it with pm_runtime_resume_and_get to keep usage
counter balanced.

Signed-off-by: Shixin Liu <liushixin2@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c
index a45bdcf..0dd4c6b 100644 (file)
--- a/drivers/crypto/omap-aes.c
+++ b/drivers/crypto/omap-aes.c
@@ -103,9 +103,8 @@ static int omap_aes_hw_init(struct omap_aes_dev *dd)
                dd->err = 0;
        }
 
-       err = pm_runtime_get_sync(dd->dev);
+       err = pm_runtime_resume_and_get(dd->dev);
        if (err < 0) {
-               pm_runtime_put_noidle(dd->dev);
                dev_err(dd->dev, "failed to get sync: %d\n", err);
                return err;
        }
@@ -1134,7 +1133,7 @@ static int omap_aes_probe(struct platform_device *pdev)
        pm_runtime_set_autosuspend_delay(dev, DEFAULT_AUTOSUSPEND_DELAY);
 
        pm_runtime_enable(dev);
-       err = pm_runtime_get_sync(dev);
+       err = pm_runtime_resume_and_get(dev);
        if (err < 0) {
                dev_err(dev, "%s: failed to get_sync(%d)\n",
                        __func__, err);
@@ -1303,7 +1302,7 @@ static int omap_aes_suspend(struct device *dev)
 
 static int omap_aes_resume(struct device *dev)
 {
-       pm_runtime_get_sync(dev);
+       pm_runtime_resume_and_get(dev);
        return 0;
 }
 #endif