From 2edcb9f57bdaef4d4dc3f0f13c3a2b320b07fdf7 Mon Sep 17 00:00:00 2001 From: Leif Lindholm Date: Fri, 23 May 2014 14:16:56 +0100 Subject: arm64: efi: only attempt efi map setup if booting via EFI Booting a kernel with CONFIG_EFI enabled on a non-EFI system caused an oops with the current UEFI support code. Add the required test to prevent this. Signed-off-by: Leif Lindholm Acked-by: Catalin Marinas Signed-off-by: Matt Fleming (cherry picked from commit 74bcc2499291d38b6253f9dbd6af33a195222208) Signed-off-by: Mark Brown --- arch/arm64/kernel/efi.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c index 7bfd65097210..14db1f6e8d7f 100644 --- a/arch/arm64/kernel/efi.c +++ b/arch/arm64/kernel/efi.c @@ -333,6 +333,9 @@ void __init efi_init(void) void __init efi_idmap_init(void) { + if (!efi_enabled(EFI_BOOT)) + return; + /* boot time idmap_pg_dir is incomplete, so fill in missing parts */ efi_setup_idmap(); } -- cgit v1.2.3