5b5f12cffa
After the patches that added tracking of in-use macvtap names (commit 370608, first appearing in libvirt-1.3.2), if the function to allocate a new macvtap device came to a device name created outside libvirt, it would retry the same device name MACVLAN_MAX_ID (8191) times before finally giving up in failure. The problem was that virBitmapNextClearBit was always being called with "0" rather than the value most recently checked (which would increment each time through the loop), so it would always return the same id (since we dutifully release that id after failing to create a new device using it). Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1321546 Signed-off-by: Laine Stump <laine@laine.org>
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>