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Diffstat (limited to 'hw/usb/hcd-ehci.c')
-rw-r--r--hw/usb/hcd-ehci.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
index 1495e8f7fa..2b995443fb 100644
--- a/hw/usb/hcd-ehci.c
+++ b/hw/usb/hcd-ehci.c
@@ -352,7 +352,6 @@ static void ehci_trace_sitd(EHCIState *s, hwaddr addr,
 static void ehci_trace_guest_bug(EHCIState *s, const char *message)
 {
     trace_usb_ehci_guest_bug(message);
-    warn_report("%s", message);
 }
 
 static inline bool ehci_enabled(EHCIState *s)
@@ -1373,7 +1372,10 @@ static int ehci_execute(EHCIPacket *p, const char *action)
         spd = (p->pid == USB_TOKEN_IN && NLPTR_TBIT(p->qtd.altnext) == 0);
         usb_packet_setup(&p->packet, p->pid, ep, 0, p->qtdaddr, spd,
                          (p->qtd.token & QTD_TOKEN_IOC) != 0);
-        usb_packet_map(&p->packet, &p->sgl);
+        if (usb_packet_map(&p->packet, &p->sgl)) {
+            qemu_sglist_destroy(&p->sgl);
+            return -1;
+        }
         p->async = EHCI_ASYNC_INITIALIZED;
     }
 
@@ -1445,6 +1447,7 @@ static int ehci_process_itd(EHCIState *ehci,
             dev = ehci_find_device(ehci, devaddr);
             if (dev == NULL) {
                 ehci_trace_guest_bug(ehci, "no device found");
+                qemu_sglist_destroy(&ehci->isgl);
                 return -1;
             }
             pid = dir ? USB_TOKEN_IN : USB_TOKEN_OUT;
@@ -1452,7 +1455,10 @@ static int ehci_process_itd(EHCIState *ehci,
             if (ep && ep->type == USB_ENDPOINT_XFER_ISOC) {
                 usb_packet_setup(&ehci->ipacket, pid, ep, 0, addr, false,
                                  (itd->transact[i] & ITD_XACT_IOC) != 0);
-                usb_packet_map(&ehci->ipacket, &ehci->isgl);
+                if (usb_packet_map(&ehci->ipacket, &ehci->isgl)) {
+                    qemu_sglist_destroy(&ehci->isgl);
+                    return -1;
+                }
                 usb_handle_packet(dev, &ehci->ipacket);
                 usb_packet_unmap(&ehci->ipacket, &ehci->isgl);
             } else {