From: Ido Schimmel <[email protected]>
Date: Mon, 20 Jun 2016 11:53:20 +0300
> Both dev_uc_sync_multiple() and dev_mc_sync_multiple() require the
> source device to be locked by netif_addr_lock_bh(), but this is missing
> in team's enslave function, so add it.
>
> This fixes the following lockdep warning:
>
> Possible interrupt unsafe locking scenario:
>
> CPU0 CPU1
> ---- ----
> lock(_xmit_ETHER/1);
> local_irq_disable();
> lock(&(&mc->mca_lock)->rlock);
> lock(&team_netdev_addr_lock_key);
> <Interrupt>
> lock(&(&mc->mca_lock)->rlock);
>
> *** DEADLOCK ***
>
> Fixes: cb41c997d444 ("team: team should sync the port's uc/mc addrs when add
> a port")
> Signed-off-by: Jiri Pirko <[email protected]>
> Signed-off-by: Ido Schimmel <[email protected]>
Applied.
