Re: [PATCH] qemu: Rollback on used USB devices

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On 16.05.2012 17:06, Eric Blake wrote:
> On 05/16/2012 08:53 AM, Michal Privoznik wrote:
>> One of our latest USB device handling patches
>> 05abd1507d66aabb6cad12eeafeb4c4d1911c585 introduced a regression.
>> That is, we first create a temporary list of all USB devices that
>> are to be used by domain just starting up. Then we iterate over and
>> check if a device from the list is in the global list of currently
>> assigned devices (activeUsbHostdevs). If not, we add it there and
>> continue with next iteration then. But if a device from temporary
>> list is either taken already or adding to the activeUsbHostdevs fails,
>> we remove all devices in temp list from the activeUsbHostdevs list.
>> Therefore, if a device is already taken we remove it from
>> activeUsbHostdevs even if we should not. Thus, next time we allow
>> the device to be assigned to another domain.
> 
> My bad for not reviewing the original patch in context in the first
> place, or I might have questioned the loop consolidation.

I could have spotted this as well. So don't blame yourself.
> 
>> ---
>>  src/qemu/qemu_hostdev.c |   28 ++++++++++++----------------
>>  1 files changed, 12 insertions(+), 16 deletions(-)
> 
> ACK.
> 

Thanks, pushed.

Michal

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