Patch "net/mlx5: Prevent setting multicast macs for VFs" has been added to the 4.9-stable tree

Patch "net/mlx5: Prevent setting multicast macs for VFs" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    net/mlx5: Prevent setting multicast macs for VFs

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     net-mlx5-prevent-setting-multicast-macs-for-vfs.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Thu Jan 12 21:37:26 CET 2017
From: Mohamad Haj Yahia <mohamad@mellanox.com>
Date: Wed, 28 Dec 2016 14:58:37 +0200
Subject: net/mlx5: Prevent setting multicast macs for VFs

From: Mohamad Haj Yahia <mohamad@mellanox.com>


[ 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@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 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);


Patches currently in stable-queue which might be from mohamad@mellanox.com are

queue-4.9/net-mlx5e-don-t-sync-netdev-state-when-not-registered.patch
queue-4.9/net-mlx5e-disable-netdev-after-close.patch
queue-4.9/net-mlx5-prevent-setting-multicast-macs-for-vfs.patch