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hmp: Use blockdev-change-medium for change command

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Use separate code paths for the two overloaded functions of the 'change'
HMP command, and invoke the 'blockdev-change-medium' QMP command if used
on a block device (by calling qmp_blockdev_change_medium()).

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2015-10-26 21:39:16 +01:00 committed by Kevin Wolf
parent 24fb413300
commit 1068674927
1 changed files with 15 additions and 12 deletions
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27
hmp.c
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@ -1345,22 +1345,25 @@ void hmp_change(Monitor *mon, const QDict *qdict)
const char *arg = qdict_get_try_str(qdict, "arg");
Error *err = NULL;
if (strcmp(device, "vnc") == 0 &&
(strcmp(target, "passwd") == 0 ||
strcmp(target, "password") == 0)) {
if (!arg) {
monitor_read_password(mon, hmp_change_read_arg, NULL);
if (strcmp(device, "vnc") == 0) {
if (strcmp(target, "passwd") == 0 ||
strcmp(target, "password") == 0) {
if (!arg) {
monitor_read_password(mon, hmp_change_read_arg, NULL);
return;
}
}
qmp_change("vnc", target, !!arg, arg, &err);
} else {
qmp_blockdev_change_medium(device, target, !!arg, arg, &err);
if (err &&
error_get_class(err) == ERROR_CLASS_DEVICE_ENCRYPTED) {
error_free(err);
monitor_read_block_device_key(mon, device, NULL, NULL);
return;
}
}
qmp_change(device, target, !!arg, arg, &err);
if (err &&
error_get_class(err) == ERROR_CLASS_DEVICE_ENCRYPTED) {
error_free(err);
monitor_read_block_device_key(mon, device, NULL, NULL);
return;
}
hmp_handle_error(mon, &err);
}