[U-Boot] [PATCH v4 1/5] usb_kdb: only process events succesfully received

[Michal Suchanek]

Causes unbound key repeat on error otherwise.

Signed-off-by: Michal Suchanek <msuchanek at suse.de>
---
v2: fix indentation
v4: fix ! condition to >= 0
---
 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 cc99c6be0720..5ee6006012f2 100644
--- a/common/usb_kbd.c
+++ b/common/usb_kbd.c
@@ -339,10 +339,9 @@ 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)
-- 
2.22.0