diff mbox series

[net-next,10/11] net/mlx5: E-Switch, Fix the warning on vport index out of range

Message ID 20190219221957.2899-11-saeedm@mellanox.com
State Accepted
Delegated to: David Miller
Headers show
Series [net-next,01/11] ethtool: Added support for 50Gbps per lane link modes | expand

Commit Message

Saeed Mahameed Feb. 19, 2019, 10:19 p.m. UTC 
From: Bodong Wang <bodong@mellanox.com>

When eswitch gets vport data structure, the index should not be out
of the range of the vport array. Driver mistakenly used vport number
to check the range.

Fixes: 22b8ddc86bf4 ("net/mlx5: E-Switch, Assign a different position for uplink rep and vport")
Signed-off-by: Bodong Wang <bodong@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/eswitch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index e18af31336e6..d4f6859bf58c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -87,7 +87,7 @@  static struct mlx5_vport *mlx5_eswitch_get_vport(struct mlx5_eswitch *esw,
 {
 	u16 idx = mlx5_eswitch_vport_num_to_index(esw, vport_num);
 
-	WARN_ON(vport_num > esw->total_vports - 1);
+	WARN_ON(idx > esw->total_vports - 1);
 	return &esw->vports[idx];
 }