From 6b8b42585886c59a008015083282aae434349094 Mon Sep 17 00:00:00 2001 From: Miaoqian Lin Date: Wed, 22 Dec 2021 06:54:53 +0000 Subject: [PATCH] net/mlx5: DR, Fix NULL vs IS_ERR checking in dr_domain_init_resources The mlx5_get_uars_page() function returns error pointers. Using IS_ERR() to check the return value to fix this. Fixes: 4ec9e7b02697 ("net/mlx5: DR, Expose steering domain functionality") Signed-off-by: Miaoqian Lin Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c index 8cbd36c82b3b82..f6e6d920976613 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c @@ -2,6 +2,7 @@ /* Copyright (c) 2019 Mellanox Technologies. */ #include +#include #include "dr_types.h" #define DR_DOMAIN_SW_STEERING_SUPPORTED(dmn, dmn_type) \ @@ -72,9 +73,9 @@ static int dr_domain_init_resources(struct mlx5dr_domain *dmn) } dmn->uar = mlx5_get_uars_page(dmn->mdev); - if (!dmn->uar) { + if (IS_ERR(dmn->uar)) { mlx5dr_err(dmn, "Couldn't allocate UAR\n"); - ret = -ENOMEM; + ret = PTR_ERR(dmn->uar); goto clean_pd; }