From 3e816a2424c428f452f2003aff105511dc0cd9d4 Mon Sep 17 00:00:00 2001
From: Michal Suchanek <msuchanek@suse.de>
Date: Sun, 18 Aug 2019 10:55:24 +0200
Subject: [PATCH] usb_kdb: only process events successfully received
Causes unbound key repeat on error otherwise.
Signed-off-by: Michal Suchanek <msuchanek@suse.de>
---
common/usb_kbd.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/common/usb_kbd.c b/common/usb_kbd.c
index 3873737461..e0c1e6d2b7 100644
--- a/common/usb_kbd.c
+++ b/common/usb_kbd.c
@@ -340,10 +340,9 @@ static inline void usb_kbd_poll_for_event(struct usb_device *dev)
struct usb_kbd_pdata *data = dev->privptr;
/* Submit a interrupt transfer request */
- usb_submit_int_msg(dev, data->intpipe, &data->new[0], data->intpktsize,
- data->intinterval);
-
- usb_kbd_irq_worker(dev);
+ if (usb_submit_int_msg(dev, data->intpipe, &data->new[0],
+ data->intpktsize, data->intinterval) >= 0)
+ usb_kbd_irq_worker(dev);
#elif defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP) || \
defined(CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE)
#if defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP)
--
2.39.5