From: Yishai Hadas <yish...@nvidia.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-l...@kernel.org
Signed-off-by: Yishai Hadas <yish...@nvidia.com>
Signed-off-by: Leon Romanovsky <leo...@nvidia.com>
Signed-off-by: Jason Gunthorpe <j...@nvidia.com>
Signed-off-by: Sasha Levin <sas...@kernel.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 819c142857d65..ff8e17d7f7ca8 100644
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -1064,7 +1064,9 @@ 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



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