Revert "ehci: make idt processing more robust"

This reverts commit 156a2e4dbffa85997636a7a39ef12da6f1b40254.

Breaks FreeBSD.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit a49923d2837d20510d645d3758f1ad87c32d0730)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>

diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
index f32347303a3df3df6f24406f38776a94402bbd2f..4120bb7c3a11d7e77e30a441df8d6b367abcc02b 100644 (file)
--- a/hw/usb/hcd-ehci.c
+++ b/hw/usb/hcd-ehci.c
@@ -1390,7 +1390,7 @@ static int ehci_process_itd(EHCIState *ehci,
 {
     USBDevice *dev;
     USBEndpoint *ep;
-    uint32_t i, len, pid, dir, devaddr, endp, xfers = 0;
+    uint32_t i, len, pid, dir, devaddr, endp;
     uint32_t pg, off, ptr1, ptr2, max, mult;
 
     ehci->periodic_sched_active = PERIODIC_ACTIVE;
@@ -1482,10 +1482,9 @@ static int ehci_process_itd(EHCIState *ehci,
                 ehci_raise_irq(ehci, USBSTS_INT);
             }
             itd->transact[i] &= ~ITD_XACT_ACTIVE;
-            xfers++;
         }
     }
-    return xfers ? 0 : -1;
+    return 0;
 }