efivars: Introduce PSTORE_EFI_ATTRIBUTES

Consolidate the attributes listed for pstore operations in one place,
PSTORE_EFI_ATTRIBUTES.

Signed-off-by: Mike Waychison <mikew@google.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

drivers/firmware/efivars.c

@@ -122,6 +122,10 @@ struct efivar_attribute {
 	ssize_t (*store)(struct efivar_entry *entry, const char *buf, size_t count);
 };
 
+#define PSTORE_EFI_ATTRIBUTES \
+	(EFI_VARIABLE_NON_VOLATILE | \
+	 EFI_VARIABLE_BOOTSERVICE_ACCESS | \
+	 EFI_VARIABLE_RUNTIME_ACCESS)
 
 #define EFIVAR_ATTR(_name, _mode, _show, _store) \
 struct efivar_attribute efivar_attr_##_name = { \
@@ -523,8 +527,9 @@ static u64 efi_pstore_write(enum pstore_type_id type, unsigned int part,
 
 		/* found */
 		found = entry;
-		efivars->ops->set_variable(entry->var.VariableName, &entry->var.VendorGuid,
-					   EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+		efivars->ops->set_variable(entry->var.VariableName,
+					   &entry->var.VendorGuid,
+					   PSTORE_EFI_ATTRIBUTES,
 					   0, NULL);
 	}
 
@@ -534,8 +539,7 @@ static u64 efi_pstore_write(enum pstore_type_id type, unsigned int part,
 	for (i = 0; i < DUMP_NAME_LEN; i++)
 		efi_name[i] = name[i];
 
-	efivars->ops->set_variable(efi_name, &vendor,
-				   EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+	efivars->ops->set_variable(efi_name, &vendor, PSTORE_EFI_ATTRIBUTES,
 				   size, psi->buf);
 
 	spin_unlock(&efivars->lock);