3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Seiji Aguchi <seiji.agu...@hds.com>
commit d6cf86d8f23253225fe2a763d627ecf7dfee9dae upstream.
A value of efi.runtime_version is checked before calling
update_capsule()/query_variable_info() as follows.
But it isn't initialized anywhere.
<snip>
static efi_status_t virt_efi_query_variable_info(u32 attr,
u64 *storage_space,
u64 *remaining_space,
u64 *max_variable_size)
{
if (efi.runtime_version < EFI_2_00_SYSTEM_TABLE_REVISION)
return EFI_UNSUPPORTED;
<snip>
This patch initializes a value of efi.runtime_version at boot time.
Signed-off-by: Seiji Aguchi <seiji.agu...@hds.com>
Acked-by: Matthew Garrett <m...@redhat.com>
Signed-off-by: Matt Fleming <matt.flem...@intel.com>
Signed-off-by: Ivan Hu <ivan...@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
arch/x86/platform/efi/efi.c | 1 +
1 file changed, 1 insertion(+)
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -890,6 +890,7 @@ void __init efi_enter_virtual_mode(void)
*
* Call EFI services through wrapper functions.
*/
+ efi.runtime_version = efi_systab.fw_revision;
efi.get_time = virt_efi_get_time;
efi.set_time = virt_efi_set_time;
efi.get_wakeup_time = virt_efi_get_wakeup_time;
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