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Subject[PATCH] - make sure that EFI variable data size is always 64 bit
The EFI spec states that the data size of an EFI variable is 64 bits. 
"unsigned long", on the other hand, isn't on IA32.

diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index bda5bce..488c24c 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -110,7 +110,7 @@ static LIST_HEAD(efivar_list);
struct efi_variable {
efi_char16_t VariableName[1024/sizeof(efi_char16_t)];
efi_guid_t VendorGuid;
- unsigned long DataSize;
+ __u64 DataSize;
__u8 Data[1024];
efi_status_t Status;
__u32 Attributes;
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 9e97bc2..3f0a179 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -163,7 +163,7 @@ typedef efi_status_t efi_get_wakeup_time
efi_time_t *tm);
typedef efi_status_t efi_set_wakeup_time_t (efi_bool_t enabled, efi_time_t *tm);
typedef efi_status_t efi_get_variable_t (efi_char16_t *name, efi_guid_t *vendor, u32 *attr,
- unsigned long *data_size, void *data);
+ __u64 *data_size, void *data);
typedef efi_status_t efi_get_next_variable_t (unsigned long *name_size, efi_char16_t *name,
efi_guid_t *vendor);
typedef efi_status_t efi_set_variable_t (efi_char16_t *name, efi_guid_t *vendor,
--
Matthew Garrett | mjg59@srcf.ucam.org
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