netdev - [PATCH net-next 05/16] net: bridge: Change a cleanup in br_multicast_new_port

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Date:   Thu, 26 Jan 2023 18:01:13 +0100
From:   Petr Machata <petrm@...dia.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Roopa Prabhu <roopa@...dia.com>,
        Nikolay Aleksandrov <razor@...ckwall.org>,
        <netdev@...r.kernel.org>
CC:     <bridge@...ts.linux-foundation.org>,
        Petr Machata <petrm@...dia.com>,
        "Ido Schimmel" <idosch@...dia.com>
Subject: [PATCH net-next 05/16] net: bridge: Change a cleanup in br_multicast_new_port_group() to goto

This function is getting more to clean up in the following patches.
Structuring the cleanups in one labeled block will allow reusing the same
cleanup from several places.

Signed-off-by: Petr Machata <petrm@...dia.com>
Reviewed-by: Ido Schimmel <idosch@...dia.com>
---
 net/bridge/br_multicast.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 08da724ebfdd..51b622afdb67 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1309,8 +1309,7 @@ struct net_bridge_port_group *br_multicast_new_port_group(
 	    rhashtable_lookup_insert_fast(&port->br->sg_port_tbl, &p->rhnode,
 					  br_sg_port_rht_params)) {
 		NL_SET_ERR_MSG_MOD(extack, "Couldn't insert new port group");
-		kfree(p);
-		return NULL;
+		goto free_out;
 	}
 
 	rcu_assign_pointer(p->next, next);
@@ -1324,6 +1323,10 @@ struct net_bridge_port_group *br_multicast_new_port_group(
 		eth_broadcast_addr(p->eth_addr);
 
 	return p;
+
+free_out:
+	kfree(p);
+	return NULL;
 }
 
 void br_multicast_del_port_group(struct net_bridge_port_group *p)
-- 
2.39.0