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vz: fixed race in vzDomainAttach/DettachDevice

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While dettaching/attaching device in OpenStack, nova
calls vzDomainDettachDevice twice, because the update of the internal
configuration of the ct comes a bit latter than the update event.
As the result, we suffer from the second call to dettach the same device.

Signed-off-by: Olga Krishtal <okrishtal@virtuozzo.com>
This commit is contained in:
Olga Krishtal 2016-08-18 15:37:00 +03:00 committed by Maxim Nestratov
parent 0970a066d1
commit b880ff42dd
1 changed files with 6 additions and 0 deletions
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6
src/vz/vz_driver.c
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@ -1193,6 +1193,9 @@ static int vzDomainAttachDeviceFlags(virDomainPtr domain, const char *xml,
if (prlsdkAttachDevice(driver, dom, dev) < 0)
goto cleanup;
if (prlsdkUpdateDomain(driver, dom) < 0)
goto cleanup;
ret = 0;
cleanup:
virDomainDeviceDefFree(dev);
@ -1245,6 +1248,9 @@ static int vzDomainDetachDeviceFlags(virDomainPtr domain, const char *xml,
if (prlsdkDetachDevice(driver, dom, dev) < 0)
goto cleanup;
if (prlsdkUpdateDomain(driver, dom) < 0)
goto cleanup;
ret = 0;
cleanup:
virDomainDeviceDefFree(dev);