Patch "net/mlx5: Fix error flow in CREATE_QP command" has been added to the 4.9-stable tree

Patch "net/mlx5: Fix error flow in CREATE_QP command" 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: Fix error flow in CREATE_QP command

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-fix-error-flow-in-create_qp-command.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 Sun Dec 31 11:13:15 CET 2017
From: Moni Shoua <monis@mellanox.com>
Date: Mon, 4 Dec 2017 08:59:25 +0200
Subject: net/mlx5: Fix error flow in CREATE_QP command

From: Moni Shoua <monis@mellanox.com>


[ Upstream commit dbff26e44dc3ec4de6578733b054a0114652a764 ]

In error flow, when DESTROY_QP command should be executed, the wrong
mailbox was set with data, not the one that is written to hardware,
Fix that.

Fixes: 09a7d9eca1a6 '{net,IB}/mlx5: QP/XRCD commands via mlx5 ifc'
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/ethernet/mellanox/mlx5/core/qp.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/qp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/qp.c
@@ -303,8 +303,8 @@ int mlx5_core_create_qp(struct mlx5_core
 err_cmd:
 	memset(din, 0, sizeof(din));
 	memset(dout, 0, sizeof(dout));
-	MLX5_SET(destroy_qp_in, in, opcode, MLX5_CMD_OP_DESTROY_QP);
-	MLX5_SET(destroy_qp_in, in, qpn, qp->qpn);
+	MLX5_SET(destroy_qp_in, din, opcode, MLX5_CMD_OP_DESTROY_QP);
+	MLX5_SET(destroy_qp_in, din, qpn, qp->qpn);
 	mlx5_cmd_exec(dev, din, sizeof(din), dout, sizeof(dout));
 	return err;
 }


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

queue-4.9/net-mlx5-fix-error-flow-in-create_qp-command.patch