diff options
| -rw-r--r-- | MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c index 298fb88b81..53421e64a8 100644 --- a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c +++ b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c @@ -171,7 +171,6 @@ XhcCreateUrb ( Urb->Context = Context;
Status = XhcCreateTransferTrb (Xhc, Urb);
- ASSERT_EFI_ERROR (Status);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "XhcCreateUrb: XhcCreateTransferTrb Failed, Status = %r\n", Status));
FreePool (Urb);
@@ -247,7 +246,11 @@ XhcCreateTransferTrb ( Dci = XhcEndpointToDci (Urb->Ep.EpAddr, (UINT8)(Urb->Ep.Direction));
ASSERT (Dci < 32);
- EPRing = (TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1];
+ EPRing = (TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1];
+ if (EPRing == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
Urb->Ring = EPRing;
OutputContext = Xhc->UsbDevContext[SlotId].OutputContext;
if (Xhc->HcCParams.Data.Csz == 0) {
|