On 12/06/2017 12:46 AM, gregkh@linuxfoundation.org wrote:
The patch below does not apply to the 4.9-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.
This patch isn't necessary on 4.9, we are okay here. This fixes a bug that was introduced in 4.13 release.
thanks, -- Shuah