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