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MdeModulePkg/VariableSmm: Fix a VariableSmm bug when reading variable with size 0.

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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@13725 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
erictian 2012-09-12 08:24:10 +00:00
parent 7ca126ff30
commit d294b9a4b7
1 changed files with 1 additions and 1 deletions
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2
MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.c
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@ -426,7 +426,7 @@ SmmVariableHandler (
return EFI_SUCCESS;
}
if (*CommBufferSize < sizeof(SMM_VARIABLE_COMMUNICATE_HEADER) - 1) {
if (*CommBufferSize < SMM_VARIABLE_COMMUNICATE_HEADER_SIZE) {
return EFI_SUCCESS;
}