3.19.8-ckt9 -stable review patch.  If anyone has any objections, please let me 
know.

------------------

From: Eric Dumazet <eduma...@google.com>

commit 4671fc6d47e0a0108fe24a4d830347d6a6ef4aa7 upstream.

When changing rss key, we do not want to overwrite user provided key
by the one provided by netdev_rss_key_fill(), which is the host random
key generated at boot time.

Fixes: 947cbb0ac242 ("net/mlx4_en: Support for configurable RSS hash function")
Signed-off-by: Eric Dumazet <eduma...@google.com>
Cc: Eyal Perry <eya...@mellanox.com>
CC: Amir Vadai <am...@mellanox.com>
Acked-by: Or Gerlitz <ogerl...@mellanox.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Kamal Mostafa <ka...@canonical.com>
---
 drivers/net/ethernet/mellanox/mlx4/en_rx.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c 
b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index 7f16627..37cdc34 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -1248,8 +1248,6 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv)
                rss_context->hash_fn = MLX4_RSS_HASH_TOP;
                memcpy(rss_context->rss_key, priv->rss_key,
                       MLX4_EN_RSS_KEY_SIZE);
-               netdev_rss_key_fill(rss_context->rss_key,
-                                   MLX4_EN_RSS_KEY_SIZE);
        } else {
                en_err(priv, "Unknown RSS hash function requested\n");
                err = -EINVAL;
-- 
1.9.1

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