From 751e928d07ae6ddb2b770b3a4c7f74fd6f2a5a64 Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Thu, 25 Apr 2019 07:30:41 +0200 Subject: [PATCH] efi_loader: parameter check CreateEventEx() CreateEvent() and CreateEventEx() should check that a notify function is provided for either of EVT_NOTIFY_SIGNAL or EVT_NOTIFY_WAIT. Signed-off-by: Heinrich Schuchardt --- lib/efi_loader/efi_boottime.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c index 601b0a2cb8..a72cbe1559 100644 --- a/lib/efi_loader/efi_boottime.c +++ b/lib/efi_loader/efi_boottime.c @@ -618,7 +618,7 @@ efi_status_t efi_create_event(uint32_t type, efi_uintn_t notify_tpl, } if ((type & (EVT_NOTIFY_WAIT | EVT_NOTIFY_SIGNAL)) && - (is_valid_tpl(notify_tpl) != EFI_SUCCESS)) + (!notify_function || is_valid_tpl(notify_tpl) != EFI_SUCCESS)) return EFI_INVALID_PARAMETER; evt = calloc(1, sizeof(struct efi_event)); -- 2.30.2