Hi Aniroop,
On Thu, Dec 31, 2015 at 04:55:58AM +0530, Aniroop Mathur wrote:
> Input core already drops empty syn_report event so there is no need
> to check again for dropping empty syn_report event in evdev handler
> for all clients on every new event.
This reasoning is flawed: if all events from the packet are filtered out
for the given client we should be suppressing EV_SYN/SYN_REPORT pair as
well.
Thanks.
>
> Signed-off-by: Aniroop Mathur <a.mathur@xxxxxxxxxxx>
> ---
> drivers/input/evdev.c | 7 +------
> 1 file changed, 1 insertion(+), 6 deletions(-)
>
> diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
> index e9ae3d5..6e242b7 100644
> --- a/drivers/input/evdev.c
> +++ b/drivers/input/evdev.c
> @@ -276,13 +276,8 @@ static void evdev_pass_values(struct evdev_client *client,
> if (__evdev_is_filtered(client, v->type, v->code))
> continue;
>
> - if (v->type == EV_SYN && v->code == SYN_REPORT) {
> - /* drop empty SYN_REPORT */
> - if (client->packet_head == client->head)
> - continue;
> -
> + if (v->type == EV_SYN && v->code == SYN_REPORT)
> wakeup = true;
> - }
>
> event.type = v->type;
> event.code = v->code;
> --
> 2.6.2
>
--
Dmitry
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