diff options
| author | eric_tian <eric_tian@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-03-27 05:05:48 +0000 |
|---|---|---|
| committer | eric_tian <eric_tian@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-03-27 05:05:48 +0000 |
| commit | 6f90dfbc0d23bae3cd2de9e16a752819751c0d2b (patch) | |
| tree | f50257d7d07703900c199701283e953a40600de0 | |
| parent | bd37f9718f9346bc4873390c6e84b37ed57190ad (diff) | |
| download | edk2-platforms-6f90dfbc0d23bae3cd2de9e16a752819751c0d2b.tar.xz | |
update the QueryVariableInfo interface to first determine if the pointer checked is pointing to a memory address inside Variable area.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7969 6f19259b-4bc3-4df7-8a09-765794883524
| -rw-r--r-- | MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c index fdaad2017e..0e5735e941 100644 --- a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c +++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c @@ -1716,7 +1716,7 @@ RuntimeServiceQueryVariableInfo ( //
// Now walk through the related variable store.
//
- while (IsValidVariableHeader (Variable) && (Variable < GetEndPointer (VariableStoreHeader))) {
+ while ((Variable < GetEndPointer (VariableStoreHeader)) && IsValidVariableHeader (Variable)) {
NextVariable = GetNextVariablePtr (Variable);
VariableSize = (UINT64) (UINTN) NextVariable - (UINT64) (UINTN) Variable;
|