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authorMichael Kubacki <michael.kubacki@microsoft.com>2022-11-08 15:24:54 -0500
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2023-04-03 15:29:08 +0000
commit07251f3c6a9aff09eb2778f8d5db51348fca8e18 (patch)
treeb6e81f20432310485bc3f6ad4cd1aa0f20b74bcc /MdeModulePkg/Library
parent84d77d9bf5dfc99159b2736d9f16661141ee5cb9 (diff)
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MdeModulePkg: Fix conditionally uninitialized variables
Fixes CodeQL alerts for CWE-457: https://cwe.mitre.org/data/definitions/457.html Cc: Dandan Bi <dandan.bi@intel.com> Cc: Eric Dong <eric.dong@intel.com> Cc: Erich McMillan <emcmillan@microsoft.com> Cc: Guomin Jiang <guomin.jiang@intel.com> Cc: Jian J Wang <jian.j.wang@intel.com> Cc: Liming Gao <gaoliming@byosoft.com.cn> Cc: Michael Kubacki <mikuback@linux.microsoft.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Zhichao Gao <zhichao.gao@intel.com> Co-authored-by: Erich McMillan <emcmillan@microsoft.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn> Reviewed-by: Oliver Smith-Denny <osd@smith-denny.com>
Diffstat (limited to 'MdeModulePkg/Library')
-rw-r--r--MdeModulePkg/Library/BootMaintenanceManagerUiLib/BootOption.c25
-rw-r--r--MdeModulePkg/Library/FileExplorerLib/FileExplorer.c5
2 files changed, 19 insertions, 11 deletions
diff --git a/MdeModulePkg/Library/BootMaintenanceManagerUiLib/BootOption.c b/MdeModulePkg/Library/BootMaintenanceManagerUiLib/BootOption.c
index cdaa2db153..e22aaf3039 100644
--- a/MdeModulePkg/Library/BootMaintenanceManagerUiLib/BootOption.c
+++ b/MdeModulePkg/Library/BootMaintenanceManagerUiLib/BootOption.c
@@ -909,23 +909,28 @@ BootFromFile (
IN EFI_DEVICE_PATH_PROTOCOL *FilePath
)
{
+ EFI_STATUS Status;
EFI_BOOT_MANAGER_LOAD_OPTION BootOption;
CHAR16 *FileName;
+ Status = EFI_NOT_STARTED;
FileName = NULL;
FileName = ExtractFileNameFromDevicePath (FilePath);
if (FileName != NULL) {
- EfiBootManagerInitializeLoadOption (
- &BootOption,
- 0,
- LoadOptionTypeBoot,
- LOAD_OPTION_ACTIVE,
- FileName,
- FilePath,
- NULL,
- 0
- );
+ Status = EfiBootManagerInitializeLoadOption (
+ &BootOption,
+ 0,
+ LoadOptionTypeBoot,
+ LOAD_OPTION_ACTIVE,
+ FileName,
+ FilePath,
+ NULL,
+ 0
+ );
+ }
+
+ if (!EFI_ERROR (Status)) {
//
// Since current no boot from removable media directly is allowed */
//
diff --git a/MdeModulePkg/Library/FileExplorerLib/FileExplorer.c b/MdeModulePkg/Library/FileExplorerLib/FileExplorer.c
index ef949267fc..804a03d868 100644
--- a/MdeModulePkg/Library/FileExplorerLib/FileExplorer.c
+++ b/MdeModulePkg/Library/FileExplorerLib/FileExplorer.c
@@ -1075,7 +1075,10 @@ LibCreateNewFile (
NewHandle = NULL;
FullFileName = NULL;
- LibGetFileHandleFromDevicePath (gFileExplorerPrivate.RetDevicePath, &FileHandle, &ParentName, &DeviceHandle);
+ if (EFI_ERROR (LibGetFileHandleFromDevicePath (gFileExplorerPrivate.RetDevicePath, &FileHandle, &ParentName, &DeviceHandle))) {
+ return EFI_DEVICE_ERROR;
+ }
+
FullFileName = LibAppendFileName (ParentName, FileName);
if (FullFileName == NULL) {
return EFI_OUT_OF_RESOURCES;