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Fix regression for "-drive file="

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Empty file used to create an empty drive (no media).  Since commit
9dfd7c7a, it's an error: "qemu: could not open disk image : No such
file or directory".  Older versions of libvirt can choke on this.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Markus Armbruster 2010-05-11 15:36:46 +02:00 • committed by Kevin Wolf
parent feeee5aca7
commit dd5b0d71d6
1 changed files with 1 additions and 1 deletions
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2
blockdev.c
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@ -462,7 +462,7 @@ DriveInfo *drive_init(QemuOpts *opts, int default_to_scsi, int *fatal_error)
case IF_COUNT: case IF_COUNT:
abort(); abort();
} }
if (!file) { if (!file || !*file) {
*fatal_error = 0; *fatal_error = 0;
return NULL; return NULL;
} }