Re: [libvirt] [PATCHv4 2/3] openvswitch: Add utility functions for getting and setting Open vSwitch per-port data

>> + virBufferAsprintf(buf, "external_ids:PortData=%s", migrate); > > >> + >> + cmd = virCommandNewArgList(OVSVSCTL, "--timeout=5", "set", "Interface", ifname, >> + virBufferCurrentContent(buf), NULL); > > Again, if we ran OOM virBuffer* will return NULL. It should be checked. Now that I am re-thinking this again, virBuffer is a bit overkill. What about bare virAsprintf()?