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| author | erictian <erictian@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-09-12 08:25:25 +0000 |
|---|---|---|
| committer | erictian <erictian@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-09-12 08:25:25 +0000 |
| commit | ad84df72c7520dba175bafd246bebd5288456544 (patch) | |
| tree | 6dad0b7d90879b9b14d8105ab277d5533c087919 | |
| parent | d294b9a4b7ec9cbf96bf8975d9d0ca04386f8e3a (diff) | |
| download | edk2-ad84df72c7520dba175bafd246bebd5288456544.zip edk2-ad84df72c7520dba175bafd246bebd5288456544.tar.gz edk2-ad84df72c7520dba175bafd246bebd5288456544.tar.bz2 | |
SecurityPkg/VariableSmm: Fix a VariableSmm bug when reading variable with size 0.
Signed-off-by: Tian, Feng <feng.tian@intel.com>
Reviewed-by: Zhang, Chao <chao.b.zhang@intel.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13726 6f19259b-4bc3-4df7-8a09-765794883524
| -rw-r--r-- | SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c index de0a32e..c8ee79a 100644 --- a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c +++ b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c @@ -431,7 +431,7 @@ SmmVariableHandler ( return EFI_SUCCESS;
}
- if (*CommBufferSize < sizeof(SMM_VARIABLE_COMMUNICATE_HEADER) - 1) {
+ if (*CommBufferSize < SMM_VARIABLE_COMMUNICATE_HEADER_SIZE) {
return EFI_SUCCESS;
}
|