FAILED: patch "[PATCH] net/mlx5: DR, Fix freeing in dr_create_rc_qp()" failed to apply to 5.7-stable tree

FAILED: patch "[PATCH] net/mlx5: DR, Fix freeing in dr_create_rc_qp()" failed to apply to 5.7-stable tree

[gregkh]

The patch below does not apply to the 5.7-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 47a357de2b6b706af3c9471d5042f9ba8907031e Mon Sep 17 00:00:00 2001
From: Denis Efremov <efremov@linux.com>
Date: Mon, 1 Jun 2020 19:45:26 +0300
Subject: [PATCH] net/mlx5: DR, Fix freeing in dr_create_rc_qp()

Variable "in" in dr_create_rc_qp() is allocated with kvzalloc() and
should be freed with kvfree().

Fixes: 297cccebdc5a ("net/mlx5: DR, Expose an internal API to issue RDMA operations")
Cc: stable@vger.kernel.org
Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
index f421013b0b54..2ca79b9bde1f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
@@ -179,7 +179,7 @@ static struct mlx5dr_qp *dr_create_rc_qp(struct mlx5_core_dev *mdev,
 	MLX5_SET(create_qp_in, in, opcode, MLX5_CMD_OP_CREATE_QP);
 	err = mlx5_cmd_exec(mdev, in, inlen, out, sizeof(out));
 	dr_qp->qpn = MLX5_GET(create_qp_out, out, qpn);
-	kfree(in);
+	kvfree(in);
 	if (err)
 		goto err_in;
 	dr_qp->uar = attr->uar;

Re: FAILED: patch "[PATCH] net/mlx5: DR, Fix freeing in dr_create_rc_qp()" failed to apply to 5.7-stable tree

[Sasha Levin]

On Fri, Jun 19, 2020 at 03:45:42PM +0200, gregkh@linuxfoundation.org wrote:
>
>The patch below does not apply to the 5.7-stable tree.
>If someone wants it applied there, or to any other stable or longterm
>tree, then please email the backport, including the original git commit
>id to <stable@vger.kernel.org>.
>
>thanks,
>
>greg k-h
>
>------------------ original commit in Linus's tree ------------------
>
>From 47a357de2b6b706af3c9471d5042f9ba8907031e Mon Sep 17 00:00:00 2001
>From: Denis Efremov <efremov@linux.com>
>Date: Mon, 1 Jun 2020 19:45:26 +0300
>Subject: [PATCH] net/mlx5: DR, Fix freeing in dr_create_rc_qp()
>
>Variable "in" in dr_create_rc_qp() is allocated with kvzalloc() and
>should be freed with kvfree().
>
>Fixes: 297cccebdc5a ("net/mlx5: DR, Expose an internal API to issue RDMA operations")
>Cc: stable@vger.kernel.org
>Signed-off-by: Denis Efremov <efremov@linux.com>
>Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

Conflict due to quite a lot of refactoring around QP. I've fixed it up
and queued for 5.7 and 5.4.

-- 
Thanks,
Sasha