diff options
| author | Miaoqian Lin <linmq006@gmail.com> | 2021-12-22 09:54:53 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-05 14:42:34 +0300 |
| commit | 4595dffccfa5b9360162c72cc0f6a33477d871cf (patch) | |
| tree | 15b75dcace0343a061bbe0cd6fe3afeb264f3243 /drivers/net/ethernet | |
| parent | a68d72d899a2051e5a05f78aed9604fbc1f3ff34 (diff) | |
| download | linux-4595dffccfa5b9360162c72cc0f6a33477d871cf.tar.xz | |
net/mlx5: DR, Fix NULL vs IS_ERR checking in dr_domain_init_resources
[ Upstream commit 6b8b42585886c59a008015083282aae434349094 ]
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 <linmq006@gmail.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c | 5 |
1 files 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 0fe159809ba1..ea1b8ca5bf3a 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 <linux/mlx5/eswitch.h> +#include <linux/err.h> #include "dr_types.h" #define DR_DOMAIN_SW_STEERING_SUPPORTED(dmn, dmn_type) \ @@ -75,9 +76,9 @@ 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; } |