OpenCanopy: Allow for missing mouse support in password verify

Closes: https://github.com/acidanthera/bugtracker/issues/1925

Changelog.md

@@ -2,8 +2,9 @@ OpenCore Changelog
 ==================
 #### v0.7.8
 - Updated ocvalidate to warn about insecure `DmgLoading` with secure `SecureBootModel` (already disallowed in runtime)
-- Fixed AudioDxe not disabling unused channels after 0.7.7 updates
-- Allow gain to track OS volume on old macOS without SystemAudioVolumeDB
+- Fixed AudioDxe not disabling unused channels after recent updates
+- Allow gain to track OS volume on old macOS without `SystemAudioVolumeDB`
+- Fixed crash on no mouse support when verifying password
 
 #### v0.7.7
 - Fixed rare crash caused by register corruption in the entry point

Platform/OpenCanopy/Views/Password.c

@@ -184,7 +184,9 @@ InternalConfirmPassword (
   CONST OC_PRIVILEGE_CONTEXT *Privilege;
   GUI_PTR_POSITION           PtrPosition;
 
-  GuiPointerGetPosition (mPointerContext, &PtrPosition);
+  if (mPointerContext != NULL) {
+    GuiPointerGetPosition (mPointerContext, &PtrPosition);
+  }
 
   Privilege = Context->PickerContext->PrivilegeContext;
 
@@ -195,8 +197,10 @@ InternalConfirmPassword (
     );
   
   GuiKeyReset (mKeyContext);
-  GuiPointerReset (mPointerContext);
-  GuiPointerSetPosition (mPointerContext, &PtrPosition);
+  if (mPointerContext != NULL) {
+    GuiPointerReset (mPointerContext);
+    GuiPointerSetPosition (mPointerContext, &PtrPosition);
+  }
   DrawContext->CursorOpacity = 0xFF;
 
   SecureZeroMem (mPasswordBox.PasswordInfo.Password, mPasswordBox.PasswordInfo.PasswordLen);