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-rw-r--r--drivers/net/mlx5/mlx5_ethdev.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c
index 84d761c..2e8a296 100644
--- a/drivers/net/mlx5/mlx5_ethdev.c
+++ b/drivers/net/mlx5/mlx5_ethdev.c
@@ -1365,6 +1365,7 @@ mlx5_sysfs_switch_info(unsigned int ifindex, struct mlx5_switch_info *info)
bool port_name_set = false;
bool port_switch_id_set = false;
char c;
+ int ret;
if (!if_indextoname(ifindex, ifname)) {
rte_errno = errno;
@@ -1378,9 +1379,11 @@ mlx5_sysfs_switch_info(unsigned int ifindex, struct mlx5_switch_info *info)
file = fopen(phys_port_name, "rb");
if (file != NULL) {
- fscanf(file, "%s", port_name);
+ ret = fscanf(file, "%s", port_name);
fclose(file);
- port_name_set = mlx5_translate_port_name(port_name, &data);
+ if (ret == 1)
+ port_name_set = mlx5_translate_port_name(port_name,
+ &data);
}
file = fopen(phys_switch_id, "rb");
if (file == NULL) {