CreateEventEx() does not allow the following event types:
* EVT_SIGNAL_EXIT_BOOT_SERVICES
* EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE
This check is needed to pass the UEFI SCT conformance test.
Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
Reviewed-by: Alexander Graf <ag...@csgraf.de>
---
v2
correct commit message
---
lib/efi_loader/efi_boottime.c | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 602b0da9f0..8965dabb2b 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -665,10 +665,26 @@ efi_status_t EFIAPI efi_create_event_ex(uint32_t type,
efi_uintn_t notify_tpl,
efi_guid_t *event_group,
struct efi_event **event)
{
+ efi_status_t ret;
+
EFI_ENTRY("%d, 0x%zx, %p, %p, %pUl", type, notify_tpl, notify_function,
notify_context, event_group);
- return EFI_EXIT(efi_create_event(type, notify_tpl, notify_function,
- notify_context, event_group, event));
+
+ /*
+ * The allowable input parameters are the same as in CreateEvent()
+ * except for the following two disallowed event types.
+ */
+ switch (type) {
+ case EVT_SIGNAL_EXIT_BOOT_SERVICES:
+ case EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE:
+ ret = EFI_INVALID_PARAMETER;
+ goto out;
+ }
+
+ ret = efi_create_event(type, notify_tpl, notify_function,
+ notify_context, event_group, event);
+out:
+ return EFI_EXIT(ret);
}
/**
--
2.20.1
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