lkml.org 
[lkml]   [2018]   [Oct]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v3] mfd: cros-ec: copy the whole event in get_next_event_xfer
Hi Emil,
On Wed, Oct 3, 2018 at 11:43 AM Emil Karlson <jekarlson@gmail.com> wrote:
>
> Commit 57e94c8b974db2d83c60e1139c89a70806abbea0 caused cros-ec keyboard events
> be truncated on many chromebooks so that Left and Right keys on Column 12 were
> always 0. Use ret as memcpy len to fix this.
>
> The old code was using ec_dev->event_size, which is the event payload/data size
> excluding event_type header, for the length of the memcpy operation. Use ret
> as memcpy length to avoid the off by one and copy the whole msg->data.
>
> Fixes: 57e94c8b974d ("mfd: cros-ec: Increase maximum mkbp event size")
>
> Acked-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> Tested-by: Emil Renner Berthing <kernel@esmil.dk>
> Signed-off-by: Emil Karlson <jekarlson@gmail.com>

Applied. Sent to Greg for rc8, hopefully.



--
Benson Leung
Staff Software Engineer
Chrome OS Kernel
Google Inc.
bleung@google.com
Chromium OS Project
bleung@chromium.org

\
 
 \ /
  Last update: 2018-10-10 07:07    [W:0.033 / U:0.572 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site