[PATCH 3.16 265/306] net/mlx4: Fix uninitialized fields in rule when adding promiscuous mode to device managed flow steering

[Ben Hutchings]

3.16.40-rc1 review patch.  If anyone has any objections, please let me know.

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

From: Jack Morgenstein <jackm@xxxxxxxxxxxxxxxxxx>

commit 44b911e77793d686b481608770d0c55c18055ba0 upstream.

In procedure mlx4_flow_steer_promisc_add(), several fields
were left uninitialized in the rule structure.
Correctly initialize these fields.

Fixes: 592e49dda812 ("net/mlx4: Implement promiscuous mode with device managed flow-steering")
Signed-off-by: Jack Morgenstein <jackm@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Tariq Toukan <tariqt@xxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
 drivers/net/ethernet/mellanox/mlx4/mcg.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/mellanox/mlx4/mcg.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c
@@ -1296,7 +1296,12 @@ EXPORT_SYMBOL_GPL(mlx4_multicast_detach)
 int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port,
 				u32 qpn, enum mlx4_net_trans_promisc_mode mode)
 {
-	struct mlx4_net_trans_rule rule;
+	struct mlx4_net_trans_rule rule = {
+		.queue_mode = MLX4_NET_TRANS_Q_FIFO,
+		.exclusive = 0,
+		.allow_loopback = 1,
+	};
+
 	u64 *regid_p;
 
 	switch (mode) {