1 files changed, 9 insertions, 16 deletions

diff --git a/drivers/watchdog/da9055_wdt.c b/drivers/watchdog/da9055_wdt.c
index 709ea1aefeb..495089d8dbf 100644
--- a/drivers/watchdog/da9055_wdt.c
+++ b/drivers/watchdog/da9055_wdt.c
@@ -72,20 +72,21 @@ static int da9055_wdt_set_timeout(struct watchdog_device *wdt_dev,
 					DA9055_TWDSCALE_MASK,
 					da9055_wdt_maps[i].reg_val <<
 					DA9055_TWDSCALE_SHIFT);
-	if (ret < 0)
+	if (ret < 0) {
 		dev_err(da9055->dev,
 			"Failed to update timescale bit, %d\n", ret);
+		return ret;
+	}
 
 	wdt_dev->timeout = timeout;
 
-	return ret;
+	return 0;
 }
 
 static int da9055_wdt_ping(struct watchdog_device *wdt_dev)
 {
 	struct da9055_wdt_data *driver_data = watchdog_get_drvdata(wdt_dev);
 	struct da9055 *da9055 = driver_data->da9055;
-	int ret;
 
 	/*
 	 * We have a minimum time for watchdog window called TWDMIN. A write
@@ -94,18 +95,12 @@ static int da9055_wdt_ping(struct watchdog_device *wdt_dev)
 	mdelay(DA9055_TWDMIN);
 
 	/* Reset the watchdog timer */
-	ret = da9055_reg_update(da9055, DA9055_REG_CONTROL_E,
-				DA9055_WATCHDOG_MASK, 1);
-
-	return ret;
+	return da9055_reg_update(da9055, DA9055_REG_CONTROL_E,
+				 DA9055_WATCHDOG_MASK, 1);
 }
 
 static void da9055_wdt_release_resources(struct kref *r)
 {
-	struct da9055_wdt_data *driver_data =
-		container_of(r, struct da9055_wdt_data, kref);
-
-	kfree(driver_data);
 }
 
 static void da9055_wdt_ref(struct watchdog_device *wdt_dev)
@@ -156,10 +151,8 @@ static int da9055_wdt_probe(struct platform_device *pdev)
 
 	driver_data = devm_kzalloc(&pdev->dev, sizeof(*driver_data),
 				   GFP_KERNEL);
-	if (!driver_data) {
-		dev_err(da9055->dev, "Failed to allocate watchdog device\n");
+	if (!driver_data)
 		return -ENOMEM;
-	}
 
 	driver_data->da9055 = da9055;
 
@@ -179,7 +172,7 @@ static int da9055_wdt_probe(struct platform_device *pdev)
 		goto err;
 	}
 
-	dev_set_drvdata(&pdev->dev, driver_data);
+	platform_set_drvdata(pdev, driver_data);
 
 	ret = watchdog_register_device(&driver_data->wdt);
 	if (ret != 0)
@@ -192,7 +185,7 @@ err:
 
 static int da9055_wdt_remove(struct platform_device *pdev)
 {
-	struct da9055_wdt_data *driver_data = dev_get_drvdata(&pdev->dev);
+	struct da9055_wdt_data *driver_data = platform_get_drvdata(pdev);
 
 	watchdog_unregister_device(&driver_data->wdt);
 	kref_put(&driver_data->kref, da9055_wdt_release_resources);