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e4f1be7eb6
libxlMakeNic opens a virConnect object and takes a reference on a virNetwork object, but doesn't drop the references on all error paths. Rework the function to follow the standard libvirt pattern of using a local 'ret' variable to hold the function return value, performing all cleanup and returning 'ret' at a 'cleanup' label.
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>