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868453db1e
whether or not previous return value is -1, the following codes will be
executed for a inactive guest in qemuDomainSetMemoryParameters:
ret = virDomainSaveConfig(driver->configDir, persistentDef);
and if everything is okay, 'ret' is assigned to 0, the previous 'ret'
will be overwritten, this patch will fix this issue.
* src/qemu/qemu_driver.c: avoid return value is overwritten when set
min_guarante value to a inactive guest.
* how to reproduce?
% virsh memtune ${guestname} --min_guarante 1024
% echo $?
Note: guest must be inactive, in fact, 'min_guarante' hasn't been implemented
in memory tunable, and I can get the error when check actual libvirtd.log,
however, virsh hasn't raised any error information, and return value is 0.
Signed-off-by: Alex Jia <ajia@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>