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efivars: check for EFI_RUNTIME_SERVICES
[cascardo/linux.git]
/
drivers
/
firmware
/
efi
/
efivars.c
diff --git
a/drivers/firmware/efi/efivars.c
b/drivers/firmware/efi/efivars.c
index
8bd1bb6
..
8a7432a
100644
(file)
--- a/
drivers/firmware/efi/efivars.c
+++ b/
drivers/firmware/efi/efivars.c
@@
-583,6
+583,9
@@
int efivars_sysfs_init(void)
struct kobject *parent_kobj = efivars_kobject();
int error = 0;
+ if (!efi_enabled(EFI_RUNTIME_SERVICES))
+ return -ENODEV;
+
/* No efivars has been registered yet */
if (!parent_kobj)
return 0;