From: Ido Schimmel <ido...@mellanox.com> 3.12-stable review patch. If anyone has any objections, please let me know.
=============== [ Upstream commit 60a6531bfe49555581ccd65f66a350cc5693fcde ] We can't be within an RCU read-side critical section when deleting VLANs, as underlying drivers might sleep during the hardware operation. Therefore, replace the RCU critical section with a mutex. This is consistent with team_vlan_rx_add_vid. Fixes: 3d249d4ca7d0 ("net: introduce ethernet teaming device") Acked-by: Jiri Pirko <j...@mellanox.com> Signed-off-by: Ido Schimmel <ido...@mellanox.com> Signed-off-by: David S. Miller <da...@davemloft.net> Signed-off-by: Jiri Slaby <jsl...@suse.cz> --- drivers/net/team/team.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 020581ddfdd3..3059b8c3825f 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -1831,10 +1831,10 @@ static int team_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid) struct team *team = netdev_priv(dev); struct team_port *port; - rcu_read_lock(); - list_for_each_entry_rcu(port, &team->port_list, list) + mutex_lock(&team->lock); + list_for_each_entry(port, &team->port_list, list) vlan_vid_del(port->dev, proto, vid); - rcu_read_unlock(); + mutex_unlock(&team->lock); return 0; } -- 2.7.1