On Thu, Jan 08, 2015 at 05:39:44AM -0800, Anshul Garg wrote:
> From: Anshul Garg <[email protected]>
>
> As input_pass_values function is called everytime when EV_SYN is sent
> from input driver or input event buffer becomes full.
> So in case of regular handler event filter code should not run so added
> check whether handler supports filter or not.
>
> Signed-off-by: Anshul Garg <[email protected]>
Applied, thank you.
> ---
> drivers/input/input.c | 24 ++++++++++++++----------
> 1 file changed, 14 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/input/input.c b/drivers/input/input.c
> index 213e3a1..de55279 100644
> --- a/drivers/input/input.c
> +++ b/drivers/input/input.c
> @@ -100,23 +100,24 @@ static unsigned int input_to_handler(struct
> input_handle *handle,
> struct input_value *end = vals;
> struct input_value *v;
>
> - for (v = vals; v != vals + count; v++) {
> - if (handler->filter &&
> - handler->filter(handle, v->type, v->code, v->value))
> - continue;
> - if (end != v)
> - *end = *v;
> - end++;
> + if (handler->filter) {
> + for (v = vals; v != vals + count; v++) {
> + if (handler->filter(handle, v->type, v->code, v->value))
> + continue;
> + if (end != v)
> + *end = *v;
> + end++;
> + }
> + count = end - vals;
> }
>
> - count = end - vals;
> if (!count)
> return 0;
>
> if (handler->events)
> handler->events(handle, vals, count);
> else if (handler->event)
> - for (v = vals; v != end; v++)
> + for (v = vals; v != vals + count; v++)
> handler->event(handle, v->type, v->code, v->value);
>
> return count;
> @@ -143,8 +144,11 @@ static void input_pass_values(struct input_dev *dev,
> count = input_to_handler(handle, vals, count);
> } else {
> list_for_each_entry_rcu(handle, &dev->h_list, d_node)
> - if (handle->open)
> + if (handle->open) {
> count = input_to_handler(handle, vals, count);
> + if (!count)
> + break;
> + }
> }
>
> rcu_read_unlock();
> --
> 1.7.9.5
>
>
> ---
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--
Dmitry
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