diff options
Diffstat (limited to 'source/a/efibootmgr/efibootmgr-0.5.4-Work-around-broken-Apple-firmware.patch')
| -rw-r--r-- | source/a/efibootmgr/efibootmgr-0.5.4-Work-around-broken-Apple-firmware.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/source/a/efibootmgr/efibootmgr-0.5.4-Work-around-broken-Apple-firmware.patch b/source/a/efibootmgr/efibootmgr-0.5.4-Work-around-broken-Apple-firmware.patch new file mode 100644 index 000000000..a1d9831d0 --- /dev/null +++ b/source/a/efibootmgr/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 + |