Re: [PATCH v2 3/4] pwm: sysfs: Replace sprintf() with sysfs_emit()

[Andy Shevchenko]

On Wed, Sep 28, 2022 at 02:28:41PM +0200, Thierry Reding wrote:
> On Fri, Aug 26, 2022 at 08:07:15PM +0300, Andy Shevchenko wrote:
> > For sysfs outputs, it's safer to use a new helper, sysfs_emit(),
> > instead of the raw sprintf() & co. This patch replaces such a
> > sprintf() call straightforwardly with the new helper.

> How exactly is sysfs_emit() safer here? In all of these cases, the
> values that sprintf() writes are the only values that are written into
> the buffer and we know that none of them exceed PAGE_SIZE. So the
> additional checks that sysfs_emit() performs are useless.

This is a recommended way to use sysfs_emit() mentioned in Documentation.
Care to fix documentation?

-- 
With Best Regards,
Andy Shevchenko