bridge: vlan: use synchronize_net() when holding RTNL

br_vlan_flush() and nbp_vlan_flush() should use synchronize_net()
instead of syncronize_rcu() to release RTNL sooner.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2024-02-09 15:30:58 +00:00 committed by David S. Miller
parent 4cd582ffa5
commit 48ebf6ebbc

View File

@ -841,7 +841,7 @@ void br_vlan_flush(struct net_bridge *br)
vg = br_vlan_group(br); vg = br_vlan_group(br);
__vlan_flush(br, NULL, vg); __vlan_flush(br, NULL, vg);
RCU_INIT_POINTER(br->vlgrp, NULL); RCU_INIT_POINTER(br->vlgrp, NULL);
synchronize_rcu(); synchronize_net();
__vlan_group_free(vg); __vlan_group_free(vg);
} }
@ -1372,7 +1372,7 @@ void nbp_vlan_flush(struct net_bridge_port *port)
vg = nbp_vlan_group(port); vg = nbp_vlan_group(port);
__vlan_flush(port->br, port, vg); __vlan_flush(port->br, port, vg);
RCU_INIT_POINTER(port->vlgrp, NULL); RCU_INIT_POINTER(port->vlgrp, NULL);
synchronize_rcu(); synchronize_net();
__vlan_group_free(vg); __vlan_group_free(vg);
} }