NFC: pn544: Use devm_kzalloc API

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

drivers/nfc/pn544/i2c.c

@@ -376,12 +376,12 @@ static int __devinit pn544_hci_i2c_probe(struct i2c_client *client,
 		return -ENODEV;
 	}
 
-	phy = kzalloc(sizeof(struct pn544_i2c_phy), GFP_KERNEL);
+	phy = devm_kzalloc(&client->dev, sizeof(struct pn544_i2c_phy),
+			   GFP_KERNEL);
 	if (!phy) {
 		dev_err(&client->dev,
 			"Cannot allocate memory for pn544 i2c phy.\n");
-		r = -ENOMEM;
-		goto err_phy_alloc;
+		return -ENOMEM;
 	}
 
 	phy->i2c_dev = client;
@@ -390,20 +390,18 @@ static int __devinit pn544_hci_i2c_probe(struct i2c_client *client,
 	pdata = client->dev.platform_data;
 	if (pdata == NULL) {
 		dev_err(&client->dev, "No platform data\n");
-		r = -EINVAL;
-		goto err_pdata;
+		return -EINVAL;
 	}
 
 	if (pdata->request_resources == NULL) {
 		dev_err(&client->dev, "request_resources() missing\n");
-		r = -EINVAL;
-		goto err_pdata;
+		return -EINVAL;
 	}
 
 	r = pdata->request_resources(client);
 	if (r) {
 		dev_err(&client->dev, "Cannot get platform resources\n");
-		goto err_pdata;
+		return r;
 	}
 
 	phy->gpio_en = pdata->get_gpio(NFC_GPIO_ENABLE);
@@ -435,10 +433,6 @@ static int __devinit pn544_hci_i2c_probe(struct i2c_client *client,
 	if (pdata->free_resources != NULL)
 		pdata->free_resources();
 
-err_pdata:
-	kfree(phy);
-
-err_phy_alloc:
 	return r;
 }
 
@@ -458,8 +452,6 @@ static __devexit int pn544_hci_i2c_remove(struct i2c_client *client)
 	if (pdata->free_resources)
 		pdata->free_resources();
 
-	kfree(phy);
-
 	return 0;
 }