[media] si2157: change firmware download error handling

Rename firmare download error path goto label. Remove firmware NULL
set as NULL value is not needed anymore, due to recent change which
started using goto labels for firmware error handling.

Cc: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c
index 88afb2a..6174c8e 100644
--- a/drivers/media/tuners/si2157.c
+++ b/drivers/media/tuners/si2157.c
@@ -81,7 +81,7 @@
 	struct si2157_dev *dev = i2c_get_clientdata(client);
 	int ret, len, remaining;
 	struct si2157_cmd cmd;
-	const struct firmware *fw = NULL;
+	const struct firmware *fw;
 	u8 *fw_file;
 	unsigned int chip_id;
 
@@ -154,7 +154,7 @@
 		dev_err(&client->dev, "firmware file '%s' is invalid\n",
 				fw_file);
 		ret = -EINVAL;
-		goto fw_release_exit;
+		goto err_release_firmware;
 	}
 
 	dev_info(&client->dev, "downloading firmware from file '%s'\n",
@@ -169,12 +169,11 @@
 		if (ret) {
 			dev_err(&client->dev, "firmware download failed %d\n",
 					ret);
-			goto fw_release_exit;
+			goto err_release_firmware;
 		}
 	}
 
 	release_firmware(fw);
-	fw = NULL;
 
 skip_fw_download:
 	/* reboot the tuner with new firmware? */
@@ -191,7 +190,7 @@
 	dev->active = true;
 	return 0;
 
-fw_release_exit:
+err_release_firmware:
 	release_firmware(fw);
 err:
 	dev_dbg(&client->dev, "failed=%d\n", ret);