On 02/25/2014 08:47 AM, Laine Stump wrote:
> According to commit b4e0299dm if networkAllocateActualDevice() was
> successful, it will *always* allocate an iface->data.network.actual,
> so we can use this during networkReleaseActualDevice() to know if
> there is really anything to undo. We were properly using this
> information to only decrement the network connections counter if it
> had previously been incremented, but we were unconditionally
> unplugging bandwidth and calling the "unplugged" network hook for
> *all* interfaces (during qemuProcessStop()) whether they had been
> previously plugged or not. This caused problems if a domain failed to
> start at some time prior to all interfaces being allocated. (I
> encountered this when an interface had a bandwidth floor set but no
> inbound QoS).
> 
> This patch changes both the call to networkUnplugBandwidth() and the
> call to networkRunHook() to only be called if there was a previous
> call to "plug" for the same interface.
> ---
>  src/network/bridge_driver.c | 17 +++++++++--------
>  1 file changed, 9 insertions(+), 8 deletions(-)

ACK.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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