From 6ab58fe93d47d822b351aa33b50a9b28a60ac67b Mon Sep 17 00:00:00 2001
From: Eric Price <eric.price@tuebingen.mpg.de>
Date: Fri, 12 Oct 2018 15:54:58 +0200
Subject: [PATCH] LP-602 bugfix in STM32_USB_OTG_Driver to prevent IRQ
 hammering on USB replug

---
 .../stm32f4xx/libraries/STM32_USB_OTG_Driver/src/usb_dcd_int.c  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/flight/pios/stm32f4xx/libraries/STM32_USB_OTG_Driver/src/usb_dcd_int.c b/flight/pios/stm32f4xx/libraries/STM32_USB_OTG_Driver/src/usb_dcd_int.c
index d6e52c604..1c5e33d4a 100644
--- a/flight/pios/stm32f4xx/libraries/STM32_USB_OTG_Driver/src/usb_dcd_int.c
+++ b/flight/pios/stm32f4xx/libraries/STM32_USB_OTG_Driver/src/usb_dcd_int.c
@@ -681,7 +681,7 @@ static uint32_t DCD_WriteEmptyTxFifo(USB_OTG_CORE_HANDLE *pdev, uint32_t epnum)
   }
   // --- start fix
     uint32_t fifoemptymsk;
-    if (len < ep->maxpacket)
+    if (len <= ep->maxpacket)
     {
       // FIFO empty
       fifoemptymsk = 0x1 << epnum;