[PATCH i-g-t v2 1/2] tests/intel/xe_configfs: Use openat to simplify check

[Riana Tauro]

Hi Lucas

On 6/2/2025 9:54 PM, Lucas De Marchi wrote:
> No need to create the path again. Just make sure there's such attribute
> relative to the fd passed.
> 
> Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
> ---
>   tests/intel/xe_configfs.c | 5 +----
>   1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/tests/intel/xe_configfs.c b/tests/intel/xe_configfs.c
> index e5701b7d1..074cd04d9 100644
> --- a/tests/intel/xe_configfs.c
> +++ b/tests/intel/xe_configfs.c
> @@ -43,16 +43,13 @@ static void set_survivability_mode(int configfs_device_fd, bool value)
>    */
>   static void test_survivability_mode(int configfs_device_fd)
>   {
> -	char path[PATH_MAX];
>   	int fd;
>   
>   	/* Enable survivability mode */
>   	set_survivability_mode(configfs_device_fd, true);
>   
>   	/* check presence of survivability mode sysfs */
> -	snprintf(path, PATH_MAX, "/sys/bus/pci/devices/%s/survivability_mode", bus_addr);

This is the file that indicates that the device entered survivability 
mode. This is under /sys/bus/pci/devices/<bdf>/ not the one in configfs

Thanks
Riana

> -
> -	fd = open(path, O_RDONLY);
> +	fd = openat(configfs_device_fd, "survivability_mode", O_RDONLY);
>   	igt_assert_f(fd >= 0, "Survivability mode not set\n");
>   	close(fd);
>   }
>