On Wed, Jul 02, 2025 at 10:16:50PM +0100, Al Viro wrote:
+Reinette
> ->write() of file_operations that gets used only via debugfs_create_file()
> is called only under debugfs_file_get()
>
> Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
> ---
> fs/resctrl/pseudo_lock.c | 4 ----
> 1 file changed, 4 deletions(-)
>
> diff --git a/fs/resctrl/pseudo_lock.c b/fs/resctrl/pseudo_lock.c
> index ccc2f9213b4b..87bbc2605de1 100644
> --- a/fs/resctrl/pseudo_lock.c
> +++ b/fs/resctrl/pseudo_lock.c
> @@ -764,13 +764,9 @@ static ssize_t pseudo_lock_measure_trigger(struct file *file,
> if (ret == 0) {
> if (sel != 1 && sel != 2 && sel != 3)
> return -EINVAL;
> - ret = debugfs_file_get(file->f_path.dentry);
> - if (ret)
> - return ret;
> ret = pseudo_lock_measure_cycles(rdtgrp, sel);
> if (ret == 0)
> ret = count;
> - debugfs_file_put(file->f_path.dentry);
> }
>
> return ret;
> --
> 2.39.5
>
