IB/mlx5: Destroy the DEVX object upon error flow

Upon DEVX object creation the object must be destroyed upon a follows
error flow.

Fixes: 7efce3691d33 ("IB/mlx5: Add obj create and destroy functionality")
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 ac116d63e4661adf03662bdfb2cd598cc179ce3c..f2f11e652dcd2a751d10397c8c65d6be8a53b53e 100644 (file)
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -723,6 +723,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_CREATE)(
                attrs, MLX5_IB_ATTR_DEVX_OBJ_CREATE_HANDLE);
        struct mlx5_ib_ucontext *c = to_mucontext(uobj->context);
        struct mlx5_ib_dev *dev = to_mdev(c->ibucontext.device);
+       u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)];
        struct devx_obj *obj;
        int err;
 
@@ -754,10 +755,12 @@ 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_free;
+               goto obj_destroy;
 
        return 0;
 
+obj_destroy:
+       mlx5_cmd_exec(obj->mdev, obj->dinbox, obj->dinlen, out, sizeof(out));
 obj_free:
        kfree(obj);
        return err;