[PATCH v1 1/1] BoardModulePkg: Fix Boot0000 got overwritten


JamesWang [王家明]
 

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3522

Boot0000 will be overwritten when F7 is pressed and
Boot Menu is not found.
Check if mBootMenuOptionNumber is valid or not
before calling RegisterBootOptionHotkey

Cc: Eric Dong <eric.dong@...>
Cc: Isaac Oram <isaac.w.oram@...>
Cc: Liming Gao <gaoliming@...>
Signed-off-by: James Wang <jameswang@...>
---
Platform/Intel/BoardModulePkg/Library/BoardBdsHookLib/BoardBootOption.c | 18 ++++++++++++------
1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/Platform/Intel/BoardModulePkg/Library/BoardBdsHookLib/BoardBootOption.c b/Platform/Intel/BoardModulePkg/Library/BoardBdsHookLib/BoardBootOption.c
index 6e3c21f4f052..8807d9425e50 100644
--- a/Platform/Intel/BoardModulePkg/Library/BoardBdsHookLib/BoardBootOption.c
+++ b/Platform/Intel/BoardModulePkg/Library/BoardBdsHookLib/BoardBootOption.c
@@ -461,12 +461,18 @@ RegisterStaticHotkey (
RegisterBootOptionHotkey ((UINT16) mSetupOptionNumber, &F2.Key, TRUE);
}

- F7.Key.ScanCode = SCAN_F7;
- F7.Key.UnicodeChar = CHAR_NULL;
- F7.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID;
- F7.KeyState.KeyToggleState = 0;
- mBootMenuBoot = !EnterSetup;
- RegisterBootOptionHotkey ((UINT16) mBootMenuOptionNumber, &F7.Key, mBootMenuBoot);
+ //
+ // Register F7 only when the mBootMenuOptionNumber is valid
+ //
+ if (mBootMenuOptionNumber != LoadOptionNumberUnassigned)
+ {
+ F7.Key.ScanCode = SCAN_F7;
+ F7.Key.UnicodeChar = CHAR_NULL;
+ F7.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID;
+ F7.KeyState.KeyToggleState = 0;
+ mBootMenuBoot = !EnterSetup;
+ RegisterBootOptionHotkey ((UINT16) mBootMenuOptionNumber, &F7.Key, mBootMenuBoot);
+ }

}

--
2.13.2.windows.1
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