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Peter Krempa
66899258e1
qemu: hotplug: Properly clean up drive backend if frontend hotplug fails
Commit 8125113c added code that should remove the disk backend if the fronted hotplug failed for any reason. The code had a bug though as it used the disk string for unplug rather than the backend alias. Fix the code by pre-creating an alias string and using it instead of the disk string. In cases where qemu does not support QEMU_CAPS_DEVICE, we ignore the unplug of the backend since we can't really create an alias in that case. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1262399 (cherry picked from commit 64c6695f1ad72f0a99faace5deb1caf7effa2275)
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>
Description
Libvirt provides a portable, long term stable C API for managing the
virtualization technologies provided by many operating systems. It
includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware
vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER
Hypervisor.
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