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Add more check to make sure the valid pointer be used. 

Signed-off-by: lgao4
Reviewed-by: rsun3

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12886 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lgao4 2011-12-19 09:00:58 +00:00
parent dc458c90b3
commit bdc9d5a5d5
1 changed files with 29 additions and 27 deletions
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8
MdeModulePkg/Core/Dxe/Dispatcher/Dispatcher.c
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@ -745,10 +745,11 @@ FvIsBeingProcesssed (
//
// Get the full FV header based on FVB protocol.
//
ASSERT (Fvb != NULL);
Status = GetFwVolHeader (Fvb, &FwVolHeader);
if (EFI_ERROR (Status)) {
FwVolHeader = NULL;
} else if (VerifyFvHeaderChecksum (FwVolHeader) && FwVolHeader->ExtHeaderOffset != 0) {
if (!EFI_ERROR (Status)) {
ASSERT (FwVolHeader != NULL);
if (VerifyFvHeaderChecksum (FwVolHeader) && FwVolHeader->ExtHeaderOffset != 0) {
ExtHeaderOffset = (UINT32) FwVolHeader->ExtHeaderOffset;
BlockMap = FwVolHeader->BlockMap;
LbaIndex = 0;
@ -780,6 +781,7 @@ FvIsBeingProcesssed (
}
CoreFreePool (FwVolHeader);
}
}
if (FvNameGuidIsFound) {
//