mlxsw: spectrum_flower: use PTR_ERR_OR_ZERO()

Fix ptr_ret.cocci warnings:
 drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c:543:1-3: WARNING: PTR_ERR_OR_ZERO can be used

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c
index 75e5316..ebd1b24 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c
@@ -514,10 +514,9 @@ int mlxsw_sp_flower_tmplt_create(struct mlxsw_sp *mlxsw_sp,
                                           f->common.chain_index,
                                           MLXSW_SP_ACL_PROFILE_FLOWER,
                                           &rulei.values.elusage);
-       if (IS_ERR(ruleset))
-               return PTR_ERR(ruleset);
+
        /* keep the reference to the ruleset */
-       return 0;
+       return PTR_ERR_OR_ZERO(ruleset);
 }
 
 void mlxsw_sp_flower_tmplt_destroy(struct mlxsw_sp *mlxsw_sp,