diff options
| author | xli24 <xli24@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-12-10 09:24:40 +0000 |
|---|---|---|
| committer | xli24 <xli24@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-12-10 09:24:40 +0000 |
| commit | 601afc03569bd62795dcb4736521862494300e8c (patch) | |
| tree | 54ae1c279ea7457673764660eb389b2d1c301616 /MdeModulePkg/Universal/LegacyRegion2Dxe | |
| parent | d90434ccb53d7ca320c84624bca8cf4ba8542196 (diff) | |
| download | edk2-601afc03569bd62795dcb4736521862494300e8c.tar.gz edk2-601afc03569bd62795dcb4736521862494300e8c.tar.bz2 edk2-601afc03569bd62795dcb4736521862494300e8c.zip | |
Add legacy region range check.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9549 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Universal/LegacyRegion2Dxe')
| -rw-r--r-- | MdeModulePkg/Universal/LegacyRegion2Dxe/LegacyRegion2.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/LegacyRegion2Dxe/LegacyRegion2.c b/MdeModulePkg/Universal/LegacyRegion2Dxe/LegacyRegion2.c index 80de38c484..9838fa8b8f 100644 --- a/MdeModulePkg/Universal/LegacyRegion2Dxe/LegacyRegion2.c +++ b/MdeModulePkg/Universal/LegacyRegion2Dxe/LegacyRegion2.c @@ -64,6 +64,10 @@ LegacyRegion2Decode ( IN BOOLEAN *On
)
{
+ if ((Start < 0xC0000) || ((Start + Length - 1) > 0xFFFFF)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
ASSERT (Granularity != NULL);
*Granularity = 0;
return EFI_SUCCESS;
@@ -98,6 +102,10 @@ LegacyRegion2Lock ( OUT UINT32 *Granularity
)
{
+ if ((Start < 0xC0000) || ((Start + Length - 1) > 0xFFFFF)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
ASSERT (Granularity != NULL);
*Granularity = 0;
return EFI_SUCCESS;
@@ -137,6 +145,10 @@ LegacyRegion2BootLock ( OUT UINT32 *Granularity
)
{
+ if ((Start < 0xC0000) || ((Start + Length - 1) > 0xFFFFF)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
ASSERT (Granularity != NULL);
*Granularity = 0;
return EFI_SUCCESS;
@@ -171,6 +183,10 @@ LegacyRegion2Unlock ( OUT UINT32 *Granularity
)
{
+ if ((Start < 0xC0000) || ((Start + Length - 1) > 0xFFFFF)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
ASSERT (Granularity != NULL);
*Granularity = 0;
return EFI_SUCCESS;
|