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96e2486156
https://bugzilla.redhat.com/show_bug.cgi?id=1240439 In this function we create a macvtap device and open its tap device. Possibly multiple times. Now the thing is, if opening the tap device fails, that is virNetDevMacVLanTapOpen() returns a negative value, we unroll all the changes BUT return 0 fooling caller into thinking everything went okay. Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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>