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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11
OptionRomPkg/UndiRuntimeDxe/E100b.c
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@@ -517,7 +517,8 @@ Configure (
UINT8 my_filter;
cmd_ptr = GetFreeCB (AdapterInfo);
data_ptr = (UINT8 *) (&cmd_ptr->PhysTBDArrayAddres);
ASSERT (cmd_ptr != NULL);
data_ptr = (UINT8 *) cmd_ptr + sizeof (struct CB_Header);
//
// start the config data right after the command header
@@ -588,7 +589,8 @@ E100bSetupIAAddr (
eaddrs = (UINT16 *) AdapterInfo->CurrentNodeAddress;
cmd_ptr = GetFreeCB (AdapterInfo);
data_ptr = (UINT16 *) (&cmd_ptr->PhysTBDArrayAddres);
ASSERT (cmd_ptr != NULL);
data_ptr = (UINT16 *) ((UINT8 *) cmd_ptr +sizeof (struct CB_Header));
//
// AVOID a bug (?!) here by marking the command already completed.
@@ -1022,6 +1024,7 @@ E100bTransmit (
tx_ptr_1 = (PXE_CPB_TRANSMIT *) (UINTN) cpb;
tx_ptr_f = (PXE_CPB_TRANSMIT_FRAGMENTS *) (UINTN) cpb;
Tmp_ptr = 0;
//
// stop reentrancy here
@@ -1387,7 +1390,7 @@ E100bReadEepromAndStationAddress (
// in words
//
AdapterInfo->NVData_Len = eeprom_len = (UINT16) (1 << addr_len);
for (Index2 = 0, Index = 0; Index < eeprom_len; Index++) {
for (Index2 = 0, Index = 0; ((Index2 < PXE_MAC_LENGTH - 1) && (Index < eeprom_len)); Index++) {
UINT16 value;
value = E100bReadEeprom (AdapterInfo, Index, addr_len);
eedata[Index] = value;
@@ -2258,7 +2261,7 @@ E100bStatistics (
AdapterInfo->statistics->tx_lost_carrier;
if (DBsize > sizeof db) {
DBsize = sizeof db;
DBsize = (UINT16) sizeof (db);
}
CopyMem ((VOID *) (UINTN) DBaddr, (VOID *) &db, (UINTN) DBsize);