From 9b42f76ad58b3f641197d031766c6979acf4b4a6 Mon Sep 17 00:00:00 2001 From: Ard Biesheuvel Date: Thu, 23 Jan 2020 13:12:14 +0100 Subject: efi: Use EFI ResetSystem only when available Do not attempt to call EFI ResetSystem if the runtime supported mask tells us it is no longer functional at OS runtime. Signed-off-by: Ard Biesheuvel --- drivers/firmware/efi/reboot.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/efi/reboot.c b/drivers/firmware/efi/reboot.c index 7effff969eb9..73089a24f04b 100644 --- a/drivers/firmware/efi/reboot.c +++ b/drivers/firmware/efi/reboot.c @@ -15,7 +15,7 @@ void efi_reboot(enum reboot_mode reboot_mode, const char *__unused) const char *str[] = { "cold", "warm", "shutdown", "platform" }; int efi_mode, cap_reset_mode; - if (!efi_enabled(EFI_RUNTIME_SERVICES)) + if (!efi_rt_services_supported(EFI_RT_SUPPORTED_RESET_SYSTEM)) return; switch (reboot_mode) { @@ -64,7 +64,7 @@ static void efi_power_off(void) static int __init efi_shutdown_init(void) { - if (!efi_enabled(EFI_RUNTIME_SERVICES)) + if (!efi_rt_services_supported(EFI_RT_SUPPORTED_RESET_SYSTEM)) return -ENODEV; if (efi_poweroff_required()) { -- cgit v1.2.3