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SecurityPkg OpalPasswordDxe: Check the pointer before use it. 

Check the pointer before use it to make the code more safely.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
This commit is contained in:
Eric Dong 2016-04-06 12:52:44 +08:00 committed by Ruiyu Ni
parent 3626c583e5
commit b4ddf0eb49
1 changed files with 11 additions and 10 deletions
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5
SecurityPkg/Tcg/Opal/OpalPasswordDxe/OpalHii.c
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@ -448,6 +448,8 @@ DriverCallback(
if (ActionRequest != NULL) {
*ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;
} else {
return EFI_INVALID_PARAMETER;
}
//
@ -645,13 +647,12 @@ HiiPsidRevert(
UnicodeStrToAsciiStr(gHiiConfiguration.Psid, (CHAR8*)Psid.Psid);
OpalDisk = HiiGetOpalDiskCB (gHiiConfiguration.SelectedDiskIndex);
if (OpalDisk != NULL) {
ZeroMem(&Session, sizeof(Session));
Session.Sscp = OpalDisk->Sscp;
Session.MediaId = OpalDisk->MediaId;
Session.OpalBaseComId = OpalDisk->OpalBaseComId;
if (OpalDisk != NULL) {
Ret = OpalSupportPsidRevert(&Session, Psid.Psid, (UINT32)sizeof(Psid.Psid), OpalDisk->OpalDevicePath);
}