batman-adv: Remove unnecessary ret variable in algo_register

Remove ret variable and all jumps.
Signed-off-by: NMarkus Pargmann <mpa@pengutronix.de>
Signed-off-by: NMarek Lindner <mareklindner@neomailbox.ch>

net/batman-adv/main.c

@@ -544,17 +544,14 @@ int batadv_algo_register(struct batadv_algo_ops *bat_algo_ops)
 int batadv_algo_select(struct batadv_priv *bat_priv, char *name)
 {
 	struct batadv_algo_ops *bat_algo_ops;
-	int ret = -EINVAL;
 
 	bat_algo_ops = batadv_algo_get(name);
 	if (!bat_algo_ops)
-		goto out;
+		return -EINVAL;
 
 	bat_priv->bat_algo_ops = bat_algo_ops;
-	ret = 0;
 
-out:
-	return ret;
+	return 0;
 }
 
 int batadv_algo_seq_print_text(struct seq_file *seq, void *offset)