linux-kernel - [PATCH 5.10 301/663] RDMA/mlx5: Use the correct obj

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Message-Id: <20210301161156.725784467@linuxfoundation.org>
Date:   Mon,  1 Mar 2021 17:09:09 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Yishai Hadas <yishaih@...dia.com>,
        Leon Romanovsky <leonro@...dia.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 301/663] RDMA/mlx5: Use the correct obj_id upon DEVX TIR creation

From: Yishai Hadas <yishaih@...dia.com>

[ Upstream commit 8798e4ad0abe0ba1221928a46561981c510be0c6 ]

Use the correct obj_id upon DEVX TIR creation by strictly taking the tirn
24 bits and not the general obj_id which is 32 bits.

Fixes: 7efce3691d33 ("IB/mlx5: Add obj create and destroy functionality")
Link: https://lore.kernel.org/r/20201230130121.180350-2-leon@kernel.org
Signed-off-by: Yishai Hadas <yishaih@...dia.com>
Signed-off-by: Leon Romanovsky <leonro@...dia.com>
Signed-off-by: Jason Gunthorpe <jgg@...dia.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/infiniband/hw/mlx5/devx.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c
index 9e3d8b8264980..26564e7d34572 100644
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -1067,7 +1067,9 @@ static void devx_obj_build_destroy_cmd(void *in, void *out, void *din,
 		MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_RQT);
 		break;
 	case MLX5_CMD_OP_CREATE_TIR:
-		MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_TIR);
+		*obj_id = MLX5_GET(create_tir_out, out, tirn);
+		MLX5_SET(destroy_tir_in, din, opcode, MLX5_CMD_OP_DESTROY_TIR);
+		MLX5_SET(destroy_tir_in, din, tirn, *obj_id);
 		break;
 	case MLX5_CMD_OP_CREATE_TIS:
 		MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_TIS);
-- 
2.27.0