[edk2-devel] [PATCH] MdeModulePkg/Setup: Check ConfigAccess protocol in case it's destroyed
GregX Yeh
gregx.yeh at intel.com
Tue Jul 9 03:46:54 UTC 2019
https://bugzilla.tianocore.org/show_bug.cgi?id=1920
Check ConfigAccess protocol is available before process user input.
Signed-off-by: GregX Yeh <gregx.yeh at intel.com>
Cc: Dandan Bi <dandan.bi at intel.com>
Cc: Ray Ni <ray.ni at intel.com>
Cc: Ted Kuo <ted.kuo at intel.com>
---
.../Universal/SetupBrowserDxe/Presentation.c | 34 ++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c b/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c
index d7927725b2..7c36a6f2b7 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c
@@ -20,6 +20,38 @@ UINT16 mCurFakeQestId;
FORM_DISPLAY_ENGINE_FORM gDisplayFormData;
BOOLEAN mFinishRetrieveCall = FALSE;
+/**
+ Check whether the ConfigAccess protocol is available
+
+ @parm FormSet FormSet of which the ConfigAcces protocol need to be checked.
+
+ @retval EFI_SUCCESS The function executed successfully.
+
+**/
+EFI_STATUS
+CheckConfigAccess(
+ IN FORM_BROWSER_FORMSET *FormSet
+ )
+{
+ EFI_STATUS Status;
+
+ Status = gBS->HandleProtocol (
+ FormSet->DriverHandle,
+ &gEfiHiiConfigAccessProtocolGuid,
+ (VOID **) &FormSet->ConfigAccess
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // Configuration Driver don't attach ConfigAccess protocol to its HII package
+ // list, then there will be no configuration action required.
+ // Or the ConfigAccess protocol has been uninstalled.
+ //
+ FormSet->ConfigAccess = NULL;
+ }
+
+ return EFI_SUCCESS;
+}
+
/**
Evaluate all expressions in a Form.
@@ -1686,6 +1718,8 @@ DisplayForm (
return Status;
}
+ CheckConfigAccess(gCurrentSelection->FormSet);
+
Status = ProcessUserInput (&UserInput);
FreeDisplayFormData();
return Status;
--
2.16.2.windows.1
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#43417): https://edk2.groups.io/g/devel/message/43417
Mute This Topic: https://groups.io/mt/32402217/1813853
Group Owner: devel+owner at edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [edk2-devel-archive at redhat.com]
-=-=-=-=-=-=-=-=-=-=-=-
More information about the edk2-devel-archive
mailing list