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This resolves: https://bugzilla.redhat.com/show_bug.cgi?id=879473 The name attribute is required for portgroup elements (yes, the RNG specifies that), and there is code in libvirt that assumes it is non-null. Unfortunately, the portgroup parsing function wasn't checking for lack of portgroup. One adverse result of this was that attempts to update a network by adding a portgroup with no name would cause libvirtd to segfault. For example: virsh net-update default add portgroup "<portgroup default='yes'/>" This patch causes virNetworkPortGroupParseXML to fail if no name is specified, thus avoiding any later problems.
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>