RDMA/mlx5: Add missing check for return value in get namespace flow

[ Upstream commit c9776457bd5eaad4ce4ecb17af8d8f3cc6957c0b ]

Add missing check for return value when calling to
mlx5_ib_ft_type_to_namespace, even though it can't really fail in this
specific call.

Fixes: 52438be44112 ("RDMA/mlx5: Allow inserting a steering rule to the FDB")
Link: https://lore.kernel.org/r/7b9ceda217d9368a51dc47a46b769bad4af9ac92.1659256069.git.leonro@nvidia.com
Reviewed-by: Itay Aveksis <itayav@nvidia.com>
Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/infiniband/hw/mlx5/fs.c b/drivers/infiniband/hw/mlx5/fs.c
index b3391ecedda7e770a7e2cc8b3d6c9eaf1f5a2c5e..0404e6f22d37abf245d585035e24f5e976ca538d 100644 (file)
--- a/drivers/infiniband/hw/mlx5/fs.c
+++ b/drivers/infiniband/hw/mlx5/fs.c
@@ -2081,12 +2081,10 @@ static int mlx5_ib_matcher_ns(struct uverbs_attr_bundle *attrs,
                if (err)
                        return err;
 
-               if (flags) {
-                       mlx5_ib_ft_type_to_namespace(
+               if (flags)
+                       return mlx5_ib_ft_type_to_namespace(
                                MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX,
                                &obj->ns_type);
-                       return 0;
-               }
        }
 
        obj->ns_type = MLX5_FLOW_NAMESPACE_BYPASS;