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devices: Avoid using assert() to catch misconfiguration

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--HG--
extra : convert_revision : 2c6710e01a4402793a2e0eafcc829df19d03dda3
This commit is contained in:
Miles Kaufmann 2007-08-30 15:16:59 -04:00
parent 54cc0053f0
commit cd890576bb
1 changed files with 2 additions and 1 deletions
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3
src/dev/disk_image.cc
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@ -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);
}