IB/mlx5: Fix bad flow upon DEVX mkey creation

Fix bad flow upon DEVX mkey creation to prevent deleting the indirect mkey
from the radix tree in case there was a previous failure to insert it.

Fixes: 534fd7aac56a ("IB/mlx5: Manage indirection mkey upon DEVX flow for ODP")
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c
index cd43e39..8e6d23d 100644 (file)
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -1204,14 +1204,15 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_CREATE)(
 
        err = uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_OUT, cmd_out, cmd_out_len);
        if (err)
-               goto obj_destroy;
+               goto err_copy;
 
        obj->obj_id = get_enc_obj_id(opcode, obj_id);
        return 0;
 
-obj_destroy:
+err_copy:
        if (obj->flags & DEVX_OBJ_FLAGS_INDIRECT_MKEY)
                devx_cleanup_mkey(obj);
+obj_destroy:
        mlx5_cmd_exec(obj->mdev, obj->dinbox, obj->dinlen, out, sizeof(out));
 obj_free:
        kfree(obj);