From: Miaoqian Lin <linmq006@xxxxxxxxx>
[ 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@xxxxxxxxx>
Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 0fe159809ba15..ea1b8ca5bf3aa 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;
}
--
2.34.1
