4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Mohamad Haj Yahia <mohamad@xxxxxxxxxxxx>
[ Upstream commit ccce1700263d8b5b219359d04180492a726cea16 ]
Need to check that VF mac address entered by the admin user is either
zero or unicast mac.
Multicast mac addresses are prohibited.
Fixes: 77256579c6b4 ('net/mlx5: E-Switch, Introduce Vport administration functions')
Signed-off-by: Mohamad Haj Yahia <mohamad@xxxxxxxxxxxx>
Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx5/core/eswitch.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1703,7 +1703,7 @@ int mlx5_eswitch_set_vport_mac(struct ml
if (!ESW_ALLOWED(esw))
return -EPERM;
- if (!LEGAL_VPORT(esw, vport))
+ if (!LEGAL_VPORT(esw, vport) || is_multicast_ether_addr(mac))
return -EINVAL;
mutex_lock(&esw->state_lock);
--
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