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authorLinus Torvalds <torvalds@linux-foundation.org>2017-03-07 14:25:48 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-03-07 14:25:48 -0800
commit21f85778bd037f6d7652a79a60657599edf39ef6 (patch)
treec022799b3b0348513ce9d5e0e3e095176732b82c /drivers
parentc688f14ccd4266289fd51e76210c13fdf67f1d9d (diff)
parentd1eb98143c56f24fef125f5bbed49ae0b52fb7d6 (diff)
downloadlinux-21f85778bd037f6d7652a79a60657599edf39ef6.tar.bz2
Merge branch 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fixes from Ingo Molnar: "A boot crash fix, and a secure boot related boot messages fix" * 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: efi/arm: Fix boot crash with CONFIG_CPUMASK_OFFSTACK=y efi/libstub: Treat missing SecureBoot variable as Secure Boot disabled
Diffstat (limited to 'drivers')
-rw-r--r--drivers/firmware/efi/arm-runtime.c1
-rw-r--r--drivers/firmware/efi/libstub/secureboot.c4
2 files changed, 3 insertions, 2 deletions
diff --git a/drivers/firmware/efi/arm-runtime.c b/drivers/firmware/efi/arm-runtime.c
index 349dc3e1e52e..974c5a31a005 100644
--- a/drivers/firmware/efi/arm-runtime.c
+++ b/drivers/firmware/efi/arm-runtime.c
@@ -65,6 +65,7 @@ static bool __init efi_virtmap_init(void)
bool systab_found;
efi_mm.pgd = pgd_alloc(&efi_mm);
+ mm_init_cpumask(&efi_mm);
init_new_context(NULL, &efi_mm);
systab_found = false;
diff --git a/drivers/firmware/efi/libstub/secureboot.c b/drivers/firmware/efi/libstub/secureboot.c
index 6def402bf569..5da36e56b36a 100644
--- a/drivers/firmware/efi/libstub/secureboot.c
+++ b/drivers/firmware/efi/libstub/secureboot.c
@@ -45,6 +45,8 @@ enum efi_secureboot_mode efi_get_secureboot(efi_system_table_t *sys_table_arg)
size = sizeof(secboot);
status = get_efi_var(efi_SecureBoot_name, &efi_variable_guid,
NULL, &size, &secboot);
+ if (status == EFI_NOT_FOUND)
+ return efi_secureboot_mode_disabled;
if (status != EFI_SUCCESS)
goto out_efi_err;
@@ -78,7 +80,5 @@ secure_boot_enabled:
out_efi_err:
pr_efi_err(sys_table_arg, "Could not determine UEFI Secure Boot status.\n");
- if (status == EFI_NOT_FOUND)
- return efi_secureboot_mode_disabled;
return efi_secureboot_mode_unknown;
}