commit bb2d8f2f61047cbde08b78ec03e4ebdb01ee5434
author Greg Kroah-Hartman <gregkh@linuxfoundation.org> Wed Oct 10 08:48:39 2018 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Wed Oct 10 08:48:39 2018 +0200
tree 878a0615c874545ef0a454f822d52ed5962f34a4
parent c350a1d466707eb01333ed22238664f3482df25a
parent d4d2313a3c17eff4aef9a544023c2df5b9f5bedc

Merge tag 'tag-chrome-platform-fixes-for-v4.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform

Benson writes:
  "chrome-platform fix for v4.19-rc8

   This contains a fix to 57e94c8b974d ("mfd: cros-ec: Increase maximum
   mkbp event size"), which caused cros_ec based chromebooks to truncate
   an entire column of their built-in keyboard."

* tag 'tag-chrome-platform-fixes-for-v4.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform:
  mfd: cros-ec: copy the whole event in get_next_event_xfer

drivers/platform/chrome/cros_ec_proto.c

diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c
index 398393a..b6fd483 100644
--- a/drivers/platform/chrome/cros_ec_proto.c
+++ b/drivers/platform/chrome/cros_ec_proto.c
@@ -520,7 +520,7 @@
 	ret = cros_ec_cmd_xfer(ec_dev, msg);
 	if (ret > 0) {
 		ec_dev->event_size = ret - 1;
-		memcpy(&ec_dev->event_data, msg->data, ec_dev->event_size);
+		memcpy(&ec_dev->event_data, msg->data, ret);
 	}
 
 	return ret;