Re: [PATCH 1/1] media: dvb-usb/af9015, fix disconnection crashes

From: Jiri Slaby
Date: Thu Feb 04 2010 - 13:33:37 EST


On 02/04/2010 07:14 PM, Dmitry Torokhov wrote:
> On Thu, Feb 04, 2010 at 11:31:45AM +0100, Jiri Slaby wrote:
> +
>> +static int dvb_event(struct hid_device *hdev, struct hid_field *field,
>> + struct hid_usage *usage, __s32 value)
>> +{
>> + /* we won't get a "key up" event */
>> + if (value) {
>> + input_event(field->hidinput->input, usage->type, usage->code, 1);
>> + input_event(field->hidinput->input, usage->type, usage->code, 0);
>
> Do not ever forget input_sync(), you need 2 of them here.
>
> With the latest changes to evdev, if you are using SIGIO you won't get
> wioken up until EV_SYN/SYN_REPORT.

HID layer syncs on its own. So the second is not needed. Why is needed
the first?

I.e. should there be one also in dvb_usb_read_remote_control?
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