From c4b724bd7ca65b8945ef683f33c0aa06152a381f Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Mon, 25 May 2015 10:22:13 +0200
Subject: load ACPI tables from fw_cfg

---
 fw_cfg.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'fw_cfg.c')

diff --git a/fw_cfg.c b/fw_cfg.c
index d222da2..79aeb70 100644
--- a/fw_cfg.c
+++ b/fw_cfg.c
@@ -44,6 +44,8 @@ int fw_cfg_file_id(char *name)
 
 uint32_t fw_cfg_file_size(int id)
 {
+	if (id == -1)
+		return 0;
 	return files[id].size;
 }
 
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