commit 5d7368912e34eb7d704c0a62727b2b2f3dbbb093
Author: himselfv <me@boku.ru>
Date:   Wed Mar 20 16:04:59 2013 +0400

    Fix: Do not call hooks twice, what if they do something permanent? And what's the point?

diff --git a/includes/services/wsl.authentication.php b/includes/services/wsl.authentication.php
index a63cfe4..cfb8a6e 100644
--- a/includes/services/wsl.authentication.php
+++ b/includes/services/wsl.authentication.php
@@ -862,9 +862,7 @@ function wsl_process_login_create_wp_user( $provider, $hybridauth_user_profile,
 	}
 
 	// HOOKABLE: change the user data
-	if( apply_filters( 'wsl_hook_process_login_alter_userdata', $userdata, $provider, $hybridauth_user_profile ) ){
-		$userdata = apply_filters( 'wsl_hook_process_login_alter_userdata', $userdata, $provider, $hybridauth_user_profile );
-	}
+	$userdata = apply_filters( 'wsl_hook_process_login_alter_userdata', $userdata, $provider, $hybridauth_user_profile );
 
 	// HOOKABLE: any action to fire right before a user created on database
 	do_action( 'wsl_hook_process_login_before_insert_user', $userdata, $provider, $hybridauth_user_profile );