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Add pointer check for NULL before dereference it. 

Signed-off-by: Fu, Siyuan <siyuan.fu@intel.com>
Reviewed-by: Dong, Guo <guo.dong@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13162 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
sfu5 2012-04-05 02:39:46 +00:00
parent 3b553e0ab2
commit ba57d4fdf0
1 changed files with 7 additions and 0 deletions
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7
SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigImpl.c
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@ -180,6 +180,7 @@ CreatePkRsaSignatureList (
DEBUG ((EFI_D_ERROR, "Can't Open the file for PK enrolling.\n"));
goto ON_EXIT;
}
ASSERT (KeyBlob != NULL);
KeyInfo = (CPL_KEY_INFO *)KeyBlob;
if (KeyInfo->KeyLengthInBits/8 != WIN_CERT_UEFI_RSA2048_SIZE) {
@ -282,6 +283,7 @@ CreatePkX509SignatureList (
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
ASSERT (X509Data != NULL);
//
// Allocate space for PK certificate list and initialize it.
@ -385,6 +387,7 @@ EnrollPlatformKey (
goto ON_EXIT;
}
}
ASSERT (PkCert != NULL);
//
// Set Platform Key variable.
@ -490,6 +493,7 @@ EnrollRsa2048ToKek (
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
ASSERT (KeyBlob != NULL);
KeyInfo = (CPL_KEY_INFO *) KeyBlob;
if (KeyInfo->KeyLengthInBits / 8 != WIN_CERT_UEFI_RSA2048_SIZE) {
DEBUG ((DEBUG_ERROR, "Unsupported key length, Only RSA2048 is supported.\n"));
@ -641,6 +645,7 @@ EnrollX509ToKek (
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
ASSERT (X509Data != NULL);
KekSigListSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;
KekSigList = (EFI_SIGNATURE_LIST*) AllocateZeroPool (KekSigListSize);
@ -792,6 +797,7 @@ EnrollX509toSigDB (
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
ASSERT (X509Data != NULL);
SigDBSize = sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_SIGNATURE_DATA) - 1 + X509DataSize;
@ -1299,6 +1305,7 @@ EnrollImageSignatureToSigDB (
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
ASSERT (mImageBase != NULL);
Status = LoadPeImage ();
if (EFI_ERROR (Status)) {