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* [PATCH net v2] drivers/net/bonding/bond_3ad: return when there's no aggregator
@ 2023-01-02  9:53 Daniil Tatianin
  2023-01-02 15:39 ` Jiri Pirko
  2023-01-03  9:20 ` patchwork-bot+netdevbpf
  0 siblings, 2 replies; 3+ messages in thread
From: Daniil Tatianin @ 2023-01-02  9:53 UTC (permalink / raw)
  To: netdev
  Cc: Daniil Tatianin, linux-kernel, Jay Vosburgh, Veaceslav Falico,
	Andy Gospodarek, David S. Miller, Eric Dumazet, Jakub Kicinski,
	Paolo Abeni

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: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
---
Changes since v1:
- Added a fixes tag
---
 drivers/net/bonding/bond_3ad.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index acb6ff0be5ff..320e5461853f 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -1520,6 +1520,7 @@ 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
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2023-01-03  9:20 UTC | newest]

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2023-01-02  9:53 [PATCH net v2] drivers/net/bonding/bond_3ad: return when there's no aggregator Daniil Tatianin
2023-01-02 15:39 ` Jiri Pirko
2023-01-03  9:20 ` patchwork-bot+netdevbpf

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