From cd890576bb21d513c79aa6f9ac6e61e93dbb2965 Mon Sep 17 00:00:00 2001
From: Miles Kaufmann <milesck@eecs.umich.edu>
Date: Thu, 30 Aug 2007 15:16:59 -0400
Subject: devices: Avoid using assert() to catch misconfiguration

--HG--
extra : convert_revision : 2c6710e01a4402793a2e0eafcc829df19d03dda3
---
 src/dev/disk_image.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/dev/disk_image.cc')

diff --git a/src/dev/disk_image.cc b/src/dev/disk_image.cc
index b8386bc3d..792a31204 100644
--- a/src/dev/disk_image.cc
+++ b/src/dev/disk_image.cc
@@ -171,7 +171,8 @@ CowDiskImage::CowDiskImage(const Params *p)
         init(p->table_size);
     } else {
         if (!open(filename)) {
-            assert(!p->read_only && "why have a non-existent read only file?");
+            if (p->read_only)
+                fatal("could not open read-only file");
             init(p->table_size);
         }
 
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