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

[ Upstream commit 9c80796548 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Daniil Tatianin 2023-01-02 12:53:35 +03:00 committed by Greg Kroah-Hartman
parent 73fee7e1e5
commit faecbaf1ff
1 changed files with 1 additions and 0 deletions
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drivers/net/bonding/bond_3ad.c
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@ -1540,6 +1540,7 @@ static void ad_port_selection_logic(struct port *port, bool *update_slave_arr)
slave_err(bond->dev, port->slave->dev,
"Port %d did not find a suitable aggregator\n",
port->actor_port_number);
return;
}
}
/* if all aggregator's ports are READY_N == TRUE, set ready=TRUE