Fix bug with larger USB packets being discarded

vintagepc · web-flow · commit caeded58103f · 2024-02-24T15:15:05.000-05:00
diff --git a/hw/arm/prusa/stm32f407/stm32f4xx_usb.c b/hw/arm/prusa/stm32f407/stm32f4xx_usb.c
@@ -1669,7 +1669,7 @@ static void STM32F4xx_handle_packet(STM32F4xxUSBState *s, uint32_t devadr, USBDe
     }
 
     if (p->packet.status == USB_RET_SUCCESS) {
-        if (actual > tlen) {
+        if (actual > tlen*hctsiz->PKTCNT) {
             p->packet.status = USB_RET_BABBLE;
             goto babble;
         }

Original file line number	Diff line number	Diff line change
`@@ -1669,7 +1669,7 @@ static void STM32F4xx_handle_packet(STM32F4xxUSBState *s, uint32_t devadr, USBDe`
`1669`	`1669`	`}`
`1670`	`1670`
`1671`	`1671`	`if (p->packet.status == USB_RET_SUCCESS) {`
`1672`		`- if (actual > tlen) {`
	`1672`	`+ if (actual > tlen*hctsiz->PKTCNT) {`
`1673`	`1673`	`p->packet.status = USB_RET_BABBLE;`
`1674`	`1674`	`goto babble;`
`1675`	`1675`	`}`