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IntelFrameworkModulePkg/LegacyBootMaintUiLib: Add NULL pointer check

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mLegacyBootOptionPrivate pointer is initialized in Constructor function
with if condition check, but it's used in Destructor function directly
without any check. Now add the NULL pointer check.

Cc: Eric Dong <eric.dong@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
This commit is contained in:
Bi, Dandan 2017-08-25 10:58:36 +08:00 committed by Eric Dong
parent 34b6a0e222
commit ef5e0db22c
1 changed files with 2 additions and 2 deletions
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4
IntelFrameworkModulePkg/Library/LegacyBootMaintUiLib/LegacyBootMaintUi.c
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@ -15,7 +15,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "LegacyBootMaintUi.h"
LEGACY_BOOT_OPTION_CALLBACK_DATA *mLegacyBootOptionPrivate;
LEGACY_BOOT_OPTION_CALLBACK_DATA *mLegacyBootOptionPrivate = NULL;
EFI_GUID mLegacyBootOptionGuid = LEGACY_BOOT_OPTION_FORMSET_GUID;
CHAR16 mLegacyBootStorageName[] = L"LegacyBootData";
BBS_TYPE mBbsType[] = {BBS_FLOPPY, BBS_HARDDISK, BBS_CDROM, BBS_EMBED_NETWORK, BBS_BEV_DEVICE, BBS_UNKNOWN};
@ -1486,7 +1486,7 @@ LegacyBootMaintUiLibDestructor (
{
EFI_STATUS Status;
if (mLegacyBootOptionPrivate->DriverHandle != NULL) {
if (mLegacyBootOptionPrivate != NULL && mLegacyBootOptionPrivate->DriverHandle != NULL) {
Status = gBS->UninstallMultipleProtocolInterfaces (
mLegacyBootOptionPrivate->DriverHandle,
&gEfiDevicePathProtocolGuid,