Add the missing check for NULL pointer before use it.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10116 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lgao4
2010-02-27 09:04:11 +00:00
parent 3978f5d92b
commit 771ececd12
7 changed files with 23 additions and 5 deletions

View File

@ -1729,6 +1729,7 @@ EvaluateExpression (
//
Status = GetValueByName (OpCode->VarStorage, OpCode->ValueName, &StrPtr);
if (!EFI_ERROR (Status)) {
ASSERT (StrPtr != NULL);
TempLength = StrLen (StrPtr);
if (OpCode->ValueWidth >= ((TempLength + 1) / 2)) {
Value->Type = OpCode->ValueType;
@ -1740,7 +1741,7 @@ EvaluateExpression (
if ((Index & 1) == 0) {
TempBuffer [Index/2] = DigitUint8;
} else {
TempBuffer [Index/2] = (UINT8) ((DigitUint8 << 4) + TempStr [Index/2]);
TempBuffer [Index/2] = (UINT8) ((DigitUint8 << 4) + TempBuffer [Index/2]);
}
}
}