X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fchar%2Fhw_random%2Fomap-rng.c;fp=kernel%2Fdrivers%2Fchar%2Fhw_random%2Fomap-rng.c;h=f5c26a5f687582c1cbcd3ea981aae7a3e6738ac7;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=8a1432e8bb800114241492e6db5cfdcc841ae8bd;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/drivers/char/hw_random/omap-rng.c b/kernel/drivers/char/hw_random/omap-rng.c
index 8a1432e8b..f5c26a5f6 100644
--- a/kernel/drivers/char/hw_random/omap-rng.c
+++ b/kernel/drivers/char/hw_random/omap-rng.c
@@ -384,7 +384,12 @@ static int omap_rng_probe(struct platform_device *pdev)
 	}
 
 	pm_runtime_enable(&pdev->dev);
-	pm_runtime_get_sync(&pdev->dev);
+	ret = pm_runtime_get_sync(&pdev->dev);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Failed to runtime_get device: %d\n", ret);
+		pm_runtime_put_noidle(&pdev->dev);
+		goto err_ioremap;
+	}
 
 	ret = (dev->of_node) ? of_get_omap_rng_device_details(priv, pdev) :
 				get_omap_rng_device_details(priv);
@@ -435,8 +440,15 @@ static int __maybe_unused omap_rng_suspend(struct device *dev)
 static int __maybe_unused omap_rng_resume(struct device *dev)
 {
 	struct omap_rng_dev *priv = dev_get_drvdata(dev);
+	int ret;
+
+	ret = pm_runtime_get_sync(dev);
+	if (ret < 0) {
+		dev_err(dev, "Failed to runtime_get device: %d\n", ret);
+		pm_runtime_put_noidle(dev);
+		return ret;
+	}
 
-	pm_runtime_get_sync(dev);
 	priv->pdata->init(priv);
 
 	return 0;