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migration: add error_report

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Added error_report where version_ids do not match in vmstate_load_state.

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

Signed-off-by: Jianjun Duan <duanj@linux.vnet.ibm.com>
Message-Id: <1484852453-12728-5-git-send-email-duanj@linux.vnet.ibm.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Jianjun Duan 2017-01-19 11:00:53 -08:00 committed by Dr. David Alan Gilbert
parent 7e99f22cbe
commit cde7ee5974
1 changed files with 6 additions and 0 deletions
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6
migration/vmstate.c
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@ -85,6 +85,9 @@ int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
trace_vmstate_load_state(vmsd->name, version_id); trace_vmstate_load_state(vmsd->name, version_id);
if (version_id > vmsd->version_id) { if (version_id > vmsd->version_id) {
error_report("%s: incoming version_id %d is too new "
"for local version_id %d",
vmsd->name, version_id, vmsd->version_id);
trace_vmstate_load_state_end(vmsd->name, "too new", -EINVAL); trace_vmstate_load_state_end(vmsd->name, "too new", -EINVAL);
return -EINVAL; return -EINVAL;
} }
@ -95,6 +98,9 @@ int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
trace_vmstate_load_state_end(vmsd->name, "old path", ret); trace_vmstate_load_state_end(vmsd->name, "old path", ret);
return ret; return ret;
} }
error_report("%s: incoming version_id %d is too old "
"for local minimum version_id %d",
vmsd->name, version_id, vmsd->minimum_version_id);
trace_vmstate_load_state_end(vmsd->name, "too old", -EINVAL); trace_vmstate_load_state_end(vmsd->name, "too old", -EINVAL);
return -EINVAL; return -EINVAL;
} }