Commit 5674d81c authored Sep 20, 2020 by Linus Torvalds

Merge tag 'efi-urgent-for-v5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull EFI fix from Borislav Petkov:
 "Ensure that the EFI bootloader control module only probes successfully
  on systems that support the EFI SetVariable runtime service"

[ Tag and commit from Ard Biesheuvel, forwarded by Borislav ]

* tag 'efi-urgent-for-v5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  efi: efibc: check for efivars write capability

parents 217eee72 46908326

drivers/firmware/efi/efibc.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -84,7 +84,7 @@ static int __init efibc_init(void)
		{
		int ret;

		if (!efi_enabled(EFI_RUNTIME_SERVICES))
		if (!efivars_kobject() \|\| !efivar_supports_writes())
		return -ENODEV;

		ret = register_reboot_notifier(&efibc_reboot_notifier);

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