Re: [PATCH v6 5/9] nodedev: udev: Unlock the private data before setting up 'system' node

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On 10/19/2017 02:54 AM, Erik Skultety wrote:
> On Wed, Oct 18, 2017 at 05:13:41PM -0400, John Ferlan wrote:
>>
>>
>> On 10/18/2017 09:52 AM, Erik Skultety wrote:
>>> udevSetupSystemDev only needs the udev data lock to be locked because of
>>> calling udevGetDMIData which accesses some protected structure members,
>>> but it can do that on its own just fine, no need to hold the lock the
>>> whole time.
>>>
>>> Signed-off-by: Erik Skultety <eskultet@xxxxxxxxxx>
>>> ---
>>>  src/node_device/node_device_udev.c | 8 +++++---
>>>  1 file changed, 5 insertions(+), 3 deletions(-)
>>>
>>> diff --git a/src/node_device/node_device_udev.c b/src/node_device/node_device_udev.c
>>> index e0e5ba799..6882517e6 100644
>>> --- a/src/node_device/node_device_udev.c
>>> +++ b/src/node_device/node_device_udev.c
>>> @@ -1719,6 +1719,7 @@ udevGetDMIData(virNodeDevCapSystemPtr syscap)
>>>      virNodeDevCapSystemHardwarePtr hardware = &syscap->hardware;
>>>      virNodeDevCapSystemFirmwarePtr firmware = &syscap->firmware;
>>>
>>> +    virObjectLock(priv);
>>>      udev = udev_monitor_get_udev(priv->udev_monitor);
>>>
>>>      device = udev_device_new_from_syspath(udev, DMI_DEVPATH);
>>> @@ -1731,6 +1732,7 @@ udevGetDMIData(virNodeDevCapSystemPtr syscap)
>>
>>                virObjectUnlock(priv);
>>
>> Pesky return statements ;-)
>>
> 
> Wow, you really must have been a sharpshooter in the previous life ;), thanks a
> lot.
> 
> Erik
> 

Sadly they seem to work better when reviewing code... They often fail me
on my own code ;-)

John

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