From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-wr0-x243.google.com ([2a00:1450:400c:c0c::243]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cqnxi-0006zo-31 for barebox@lists.infradead.org; Wed, 22 Mar 2017 21:38:36 +0000 Received: by mail-wr0-x243.google.com with SMTP id l37so28573472wrc.3 for ; Wed, 22 Mar 2017 14:38:13 -0700 (PDT) From: Peter Mamonov Date: Thu, 23 Mar 2017 00:38:03 +0300 Message-Id: <20170322213803.24634-1-pmamonov@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH] usb_kbd: release all keys on error / disconnect To: barebox@lists.infradead.org Cc: Peter Mamonov Signed-off-by: Peter Mamonov --- drivers/input/usb_kbd.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/input/usb_kbd.c b/drivers/input/usb_kbd.c index 2acc95d9f..a2b92c285 100644 --- a/drivers/input/usb_kbd.c +++ b/drivers/input/usb_kbd.c @@ -58,6 +58,14 @@ struct usb_kbd_pdata { struct input_device input; }; +static void usb_kbd_release_all_keys(struct usb_kbd_pdata *data) +{ + int i; + + for (i = 0; i <= KEY_MAX; i++) + input_report_key_event(&data->input, i, 0); +} + static int usb_kbd_int_poll(struct usb_kbd_pdata *data) { return usb_submit_int_msg(data->usbdev, data->intpipe, data->new, @@ -98,6 +106,8 @@ static void usb_kbd_poll(void *arg) int ret, i; ret = data->do_poll(data); + if (ret < 0) + usb_kbd_release_all_keys(data); if (ret == -EAGAIN) goto exit; if (ret < 0) { @@ -209,6 +219,7 @@ static void usb_kbd_disconnect(struct usb_device *usbdev) { struct usb_kbd_pdata *data = usbdev->drv_data; + usb_kbd_release_all_keys(data); poller_async_unregister(&data->poller); input_device_unregister(&data->input); dma_free(data->new); -- 2.11.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox