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drive: allow rerror, werror and readonly for if=none 

When creating guest disks the qdev way using ...

  -drive if=none,id=$name,args
  -device $driver,drive=$name

it is not possible to specify rerror, werror and readonly arguments
for drive as drive_init allows/blocks them based on the interface (if=)
specified and none isn't white-listed there.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Gerd Hoffmann 2010-05-26 10:44:44 +02:00 committed by Kevin Wolf
parent b50cbabc1b
commit dc33bb3411
1 changed files with 3 additions and 3 deletions
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6
vl.c
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@ -953,7 +953,7 @@ DriveInfo *drive_init(QemuOpts *opts, void *opaque,
on_write_error = BLOCK_ERR_STOP_ENOSPC;
if ((buf = qemu_opt_get(opts, "werror")) != NULL) {
if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) {
if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO && type != IF_NONE) {
fprintf(stderr, "werror is no supported by this format\n");
return NULL;
}
@ -966,7 +966,7 @@ DriveInfo *drive_init(QemuOpts *opts, void *opaque,
on_read_error = BLOCK_ERR_REPORT;
if ((buf = qemu_opt_get(opts, "rerror")) != NULL) {
if (type != IF_IDE && type != IF_VIRTIO) {
if (type != IF_IDE && type != IF_VIRTIO && type != IF_NONE) {
fprintf(stderr, "rerror is no supported by this format\n");
return NULL;
}
@ -1114,7 +1114,7 @@ DriveInfo *drive_init(QemuOpts *opts, void *opaque,
/* CDROM is fine for any interface, don't check. */
ro = 1;
} else if (ro == 1) {
if (type != IF_SCSI && type != IF_VIRTIO && type != IF_FLOPPY) {
if (type != IF_SCSI && type != IF_VIRTIO && type != IF_FLOPPY && type != IF_NONE) {
fprintf(stderr, "qemu: readonly flag not supported for drive with this interface\n");
return NULL;
}