drivers/net/bonding/bond_3ad: return when there's no aggregator

Otherwise we would dereference a NULL aggregator pointer when calling
__set_agg_ports_ready on the line below.

Found by Linux Verification Center (linuxtesting.org) with the SVACE
static analysis tool.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniil Tatianin 2023-01-02 12:53:35 +03:00 committed by David S. Miller
parent d57609fad9
commit 9c80796548

View File

@ -1549,6 +1549,7 @@ static void ad_port_selection_logic(struct port *port, bool *update_slave_arr)
slave_err(bond->dev, port->slave->dev, slave_err(bond->dev, port->slave->dev,
"Port %d did not find a suitable aggregator\n", "Port %d did not find a suitable aggregator\n",
port->actor_port_number); port->actor_port_number);
return;
} }
} }
/* if all aggregator's ports are READY_N == TRUE, set ready=TRUE /* if all aggregator's ports are READY_N == TRUE, set ready=TRUE