diff options
| author | Eric Dong <eric.dong@intel.com> | 2014-02-21 06:27:05 +0000 |
|---|---|---|
| committer | ydong10 <ydong10@6f19259b-4bc3-4df7-8a09-765794883524> | 2014-02-21 06:27:05 +0000 |
| commit | 70f1d5e75655dc71142d363df809c25d07c3e99d (patch) | |
| tree | 1f015524ac765836ab58ee24078c5d1c23228659 /MdeModulePkg | |
| parent | 929fb3be4169eb520272056c00b11bb3fb3f6458 (diff) | |
| download | edk2-platforms-70f1d5e75655dc71142d363df809c25d07c3e99d.tar.xz | |
Check the Config access protocol before use it.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15251 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg')
| -rw-r--r-- | MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c | 31 | ||||
| -rw-r--r-- | MdeModulePkg/Universal/SetupBrowserDxe/Setup.c | 4 |
2 files changed, 20 insertions, 15 deletions
diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c b/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c index 488087e011..b3a3d23761 100644 --- a/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c +++ b/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c @@ -2294,8 +2294,8 @@ ProcessRetrieveForQuestion ( Status = EFI_SUCCESS;
ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;
-
- if ((Statement->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != EFI_IFR_FLAG_CALLBACK) {
+
+ if (((Statement->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != EFI_IFR_FLAG_CALLBACK) || ConfigAccess == NULL) {
return EFI_UNSUPPORTED;
}
@@ -2433,8 +2433,7 @@ SetupBrowser ( // for each question with callback flag.
// New form may be the first form, or the different form after another form close.
//
- if ((ConfigAccess != NULL) &&
- ((Selection->Handle != mCurrentHiiHandle) ||
+ if (((Selection->Handle != mCurrentHiiHandle) ||
(!CompareGuid (&Selection->FormSetGuid, &mCurrentFormSetGuid)) ||
(Selection->FormId != mCurrentFormId))) {
//
@@ -2444,18 +2443,20 @@ SetupBrowser ( CopyGuid (&mCurrentFormSetGuid, &Selection->FormSetGuid);
mCurrentFormId = Selection->FormId;
- Status = ProcessCallBackFunction (Selection, gCurrentSelection->FormSet, Selection->Form, NULL, EFI_BROWSER_ACTION_FORM_OPEN, FALSE);
- if (EFI_ERROR (Status)) {
- goto Done;
- }
+ if (ConfigAccess != NULL) {
+ Status = ProcessCallBackFunction (Selection, gCurrentSelection->FormSet, Selection->Form, NULL, EFI_BROWSER_ACTION_FORM_OPEN, FALSE);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
- //
- // IFR is updated during callback of open form, force to reparse the IFR binary
- //
- if (mHiiPackageListUpdated) {
- Selection->Action = UI_ACTION_REFRESH_FORMSET;
- mHiiPackageListUpdated = FALSE;
- break;
+ //
+ // IFR is updated during callback of open form, force to reparse the IFR binary
+ //
+ if (mHiiPackageListUpdated) {
+ Selection->Action = UI_ACTION_REFRESH_FORMSET;
+ mHiiPackageListUpdated = FALSE;
+ break;
+ }
}
}
diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c index 5ce0b84ed6..f86f369ff2 100644 --- a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c +++ b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c @@ -2132,6 +2132,10 @@ SendDiscardInfoToDriver ( EFI_IFR_TYPE_VALUE *TypeValue;
EFI_BROWSER_ACTION_REQUEST ActionRequest;
+ if (FormSet->ConfigAccess == NULL) {
+ return;
+ }
+
Link = GetFirstNode (&Form->StatementListHead);
while (!IsNull (&Form->StatementListHead, Link)) {
Question = FORM_BROWSER_STATEMENT_FROM_LINK (Link);
|