sravan/system76-edk2
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Refine some code to make code run safely.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10893 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
ydong10
2010-09-20 03:20:56 +00:00
parent 1ca79586f4
commit 80448f6c1a
5 changed files with 20 additions and 12 deletions
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10
OptionRomPkg/UndiRuntimeDxe/Decode.c
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@@ -254,9 +254,9 @@ UNDI_GetInitInfo (
DbPtr->MCastFilterCnt = MAX_MCAST_ADDRESS_CNT;
DbPtr->TxBufCnt = TX_BUFFER_COUNT;
DbPtr->TxBufSize = sizeof (TxCB);
DbPtr->TxBufSize = (UINT16) sizeof (TxCB);
DbPtr->RxBufCnt = RX_BUFFER_COUNT;
DbPtr->RxBufSize = sizeof (RxFD);
DbPtr->RxBufSize = (UINT16) sizeof (RxFD);
DbPtr->IFtype = PXE_IFTYPE_ETHERNET;
DbPtr->SupportedDuplexModes = PXE_DUPLEX_ENABLE_FULL_SUPPORTED |
@@ -1032,7 +1032,7 @@ UNDI_Status (
//
// We already filled in 2 UINT32s.
//
CdbPtr->DBsize = sizeof (UINT32) * 2;
CdbPtr->DBsize = (UINT16) (sizeof (UINT32) * 2);
//
// will claim any hanging free CBs
@@ -1042,7 +1042,7 @@ UNDI_Status (
if (AdapterInfo->xmit_done_head == AdapterInfo->xmit_done_tail) {
CdbPtr->StatFlags |= PXE_STATFLAGS_GET_STATUS_TXBUF_QUEUE_EMPTY;
} else {
for (Index = 0; NumEntries >= sizeof (UINT64); Index++, NumEntries -= sizeof (UINT64)) {
for (Index = 0; ((Index < MAX_XMIT_BUFFERS) && (NumEntries >= sizeof (UINT64))); Index++, NumEntries -= sizeof (UINT64)) {
if (AdapterInfo->xmit_done_head != AdapterInfo->xmit_done_tail) {
DbPtr->TxBuffer[Index] = AdapterInfo->xmit_done[AdapterInfo->xmit_done_head];
AdapterInfo->xmit_done_head = next (AdapterInfo->xmit_done_head);
@@ -1476,7 +1476,7 @@ PxeStructInit (
// Initialize the !PXE structure
//
PxePtr->Signature = PXE_ROMID_SIGNATURE;
PxePtr->Len = sizeof (PXE_SW_UNDI);
PxePtr->Len = (UINT8) sizeof (PXE_SW_UNDI);
//
// cksum
//