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MdeModulePkg/FvSimpleFileSystem:Fix a potential NULL dereference issue.

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Contributed-under: TianoCore Contribution Agreement 1.0

Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Shumin Qiu <shumin.qiu@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16562 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Feng Tian
2014-12-30 08:18:57 +00:00
committed by erictian
parent 871f673315
commit 5a2dcd134a
1 changed files with 3 additions and 0 deletions
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3
MdeModulePkg/Universal/FvSimpleFileSystemDxe/FvSimpleFileSystem.c
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@ -499,6 +499,9 @@ FvSimpleFileSystemOpen (
Instance = File->Instance; Instance = File->Instance;
FileName = TrimFilePathToAbsolutePath (FileName); FileName = TrimFilePathToAbsolutePath (FileName);
if (FileName == NULL) {
return EFI_INVALID_PARAMETER;
}
if (FileName[0] == L'\\') { if (FileName[0] == L'\\') {
FileName++; FileName++;