[PATCH i-g-t 02/10] lib/igt_kmod: Fix comment about unbound devices
Francois Dugast
francois.dugast at intel.com
Mon Apr 14 10:56:29 UTC 2025
On Thu, Apr 10, 2025 at 03:48:31PM -0700, Lucas De Marchi wrote:
> If the module is loaded, the directory should exist, without any device
> link. Example:
>
> # cat /sys/module/xe/refcnt
> 0
> # ls -l /sys/module/xe/drivers/pci\:xe/
> total 0
> --w------- 1 root root 4096 Apr 10 22:12 bind
> lrwxrwxrwx 1 root root 0 Apr 10 22:12 module -> ../../../../module/xe
> --w------- 1 root root 4096 Apr 10 22:12 new_id
> --w------- 1 root root 4096 Apr 10 22:12 remove_id
> --w------- 1 root root 4096 Apr 10 22:12 uevent
> --w------- 1 root root 4096 Apr 10 22:12 unbind
>
> The case in which the directory doesn't exist is when the module is not
> loaded.
>
> Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
Reviewed-by: Francois Dugast <francois.dugast at intel.com>
> ---
> lib/igt_kmod.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/lib/igt_kmod.c b/lib/igt_kmod.c
> index 4e1a3d42d..ecc74e0fe 100644
> --- a/lib/igt_kmod.c
> +++ b/lib/igt_kmod.c
> @@ -667,7 +667,7 @@ int igt_kmod_unbind(const char *mod_name, const char *pci_device)
>
> dir = opendir(path);
>
> - /* Module may be loaded, but without any device bound */
> + /* Module not loaded, nothing to unbind */
> if (!dir)
> return 0;
>
>
> --
> 2.49.0
>
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