Caught on ubuntu-16.04 with hwe kernel for aarch64:
$ uname -a
Linux ubuntu1604arm64es 4.13.0-43-generic #48~16.04.1-Ubuntu SMP Thu May
17 13:08:01 UTC 2018 aarch64 aarch64 aarch64 GNU/Linux
== Build kernel/linux/igb_uio
CC [M] .../kernel/linux/igb_uio/igb_uio.o
In file included from .../kernel/linux/igb_uio/igb_uio.c:20:0:
.../igb_uio/compat.h: In function ‘igbuio_kernel_is_locked_down’:
.../igb_uio/compat.h:146:7:
error: "CONFIG_EFI_SECURE_BOOT_LOCK_DOWN" is not defined [-Werror=undef]
#elif CONFIG_EFI_SECURE_BOOT_LOCK_DOWN
^
cc1: all warnings being treated as errors
Fixes: d67014c3d38b ("igb_uio: fail and log if kernel lock down is enabled")
Signed-off-by: David Marchand <david.march...@6wind.com>
---
kernel/linux/igb_uio/compat.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/linux/igb_uio/compat.h b/kernel/linux/igb_uio/compat.h
index e5df515..8dbb896 100644
--- a/kernel/linux/igb_uio/compat.h
+++ b/kernel/linux/igb_uio/compat.h
@@ -143,7 +143,7 @@ static inline bool igbuio_kernel_is_locked_down(void)
#ifdef CONFIG_LOCK_DOWN_KERNEL
#ifdef CONFIG_LOCK_DOWN_IN_EFI_SECURE_BOOT
return kernel_is_locked_down(NULL);
-#elif CONFIG_EFI_SECURE_BOOT_LOCK_DOWN
+#elif defined(CONFIG_EFI_SECURE_BOOT_LOCK_DOWN)
return kernel_is_locked_down();
#else
return false;
--
2.7.4
