1 files changed, 30 insertions, 0 deletions

diff --git a/meta-linaro/recipes-extra/efibootmgr/files/efibootmgr-0.5.4-Work-around-broken-Apple-firmware.patch b/meta-linaro/recipes-extra/efibootmgr/files/efibootmgr-0.5.4-Work-around-broken-Apple-firmware.patch
new file mode 100644
index 0000000..a1d9831
--- /dev/null
+++ b/meta-linaro/recipes-extra/efibootmgr/files/efibootmgr-0.5.4-Work-around-broken-Apple-firmware.patch
@@ -0,0 +1,30 @@
+From 6edc3ed5479b575f87eb51e335957b05fdd04fe8 Mon Sep 17 00:00:00 2001
+From: Fedora Ninjas <pjones@fedoraproject.org>
+Date: Wed, 28 Nov 2012 16:49:18 -0500
+Subject: [PATCH 1/5] Work around broken Apple firmware
+
+Alex Murray found that Apple's firmware sets an invalid EFI attribute on
+BootCurrent, which newer versions of the kernel then reject. This patch
+from him simply masks off the extraneous bit.
+---
+ src/lib/efivars_sysfs.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/lib/efivars_sysfs.c b/src/lib/efivars_sysfs.c
+index 182c70f..ea87325 100644
+--- a/src/lib/efivars_sysfs.c
++++ b/src/lib/efivars_sysfs.c
+@@ -55,6 +55,10 @@ sysfs_read_variable(const char *name, efi_variable_t *var)
+                return EFI_INVALID_PARAMETER;
+        }
+        close(fd);
++       /* latest apple firmware sets high bit which appears invalid
++          to the linux kernel if we write it back so lets zero it out
++          if it is set since it would be invalid to set it anyway */
++       var->Attributes = var->Attributes & ~(1 << 31);
+        return var->Status;
+ }
+ 
+-- 
+1.8.0
+