[B.A.T.M.A.N.] [PATCHv4 next 11/11] batman-adv: fix more code style

[Antonio Quartulli <antonio@meshcoding.com>]

- use common iteration style pattern when looking up an
  object

Introduced by f2ed1502191a37abb39e3e2c80cca07f0f3bb411
("batman-adv: Send multicast packets to nodes with a WANT_ALL flag")

Cc: Linux Lüssing <linus.luessing@web.de>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
---
 multicast.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/multicast.c b/multicast.c
index dfe4cd6..8c7ca81 100644
--- a/multicast.c
+++ b/multicast.c
@@ -409,20 +409,20 @@ batadv_mcast_forw_tt_node_get(struct batadv_priv *bat_priv,
 static struct batadv_orig_node *
 batadv_mcast_forw_ipv4_node_get(struct batadv_priv *bat_priv)
 {
-	struct batadv_orig_node *orig_node;
+	struct batadv_orig_node *tmp_orig_node, *orig_node = NULL;
 
 	rcu_read_lock();
-	hlist_for_each_entry_rcu(orig_node,
+	hlist_for_each_entry_rcu(tmp_orig_node,
 				 &bat_priv->mcast.want_all_ipv4_list,
 				 mcast_want_all_ipv4_node) {
-		if (atomic_inc_not_zero(&orig_node->refcount))
-			goto unlock;
-	}
-
-	orig_node = NULL;
+		if (!atomic_inc_not_zero(&orig_node->refcount))
+			continue;
 
-unlock:
+		orig_node = tmp_orig_node;
+		break;
+	}
 	rcu_read_unlock();
+
 	return orig_node;
 }
 
@@ -436,20 +436,20 @@ unlock:
 static struct batadv_orig_node *
 batadv_mcast_forw_ipv6_node_get(struct batadv_priv *bat_priv)
 {
-	struct batadv_orig_node *orig_node;
+	struct batadv_orig_node *tmp_orig_node, *orig_node = NULL;
 
 	rcu_read_lock();
-	hlist_for_each_entry_rcu(orig_node,
+	hlist_for_each_entry_rcu(tmp_orig_node,
 				 &bat_priv->mcast.want_all_ipv6_list,
 				 mcast_want_all_ipv6_node) {
-		if (atomic_inc_not_zero(&orig_node->refcount))
-			goto unlock;
-	}
-
-	orig_node = NULL;
+		if (!atomic_inc_not_zero(&orig_node->refcount))
+			continue;
 
-unlock:
+		orig_node = tmp_orig_node;
+		break;
+	}
 	rcu_read_unlock();
+
 	return orig_node;
 }
 
-- 
1.8.3.2