Re: [PATCH AUTOSEL 5.16 36/52] PM: wakeup: simplify the output logic of pm_show_wakelocks()

Greg Kroah-Hartman
2022-02-04T08:29:36Z

On Thu, Feb 03, 2022 at 03:29:30PM -0500, Sasha Levin wrote:
> From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>
> [ Upstream commit c9d967b2ce40d71e968eb839f36c936b8a9cf1ea ]
>
> The buffer handling in pm_show_wakelocks() is tricky, and hopefully
> correct. Ensure it really is correct by using sysfs_emit_at() which
> handles all of the tricky string handling logic in a PAGE_SIZE buffer
> for us automatically as this is a sysfs file being read from.
>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Reviewed-by: Lee Jones <lee.jones@linaro.org>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> Signed-off-by: Sasha Levin <sashal@kernel.org>
> ---
> kernel/power/wakelock.c | 11 ++++-------
> 1 file changed, 4 insertions(+), 7 deletions(-)

This is already in a stable release, so no need to add it again.

thanks,

greg k-h