Re: [libvirt] [PATCH 1/3] node device: Fix locking issue in virNodeDeviceDestroy

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On 10/19/2009 05:28 PM, Dave Allan wrote:
> Cole Robinson wrote:
>> Certain error paths won't unlock the node device object.
>>
>> Signed-off-by: Cole Robinson <crobinso@xxxxxxxxxx>
>> ---
>>  src/node_device/node_device_driver.c |    2 ++
>>  1 files changed, 2 insertions(+), 0 deletions(-)
>>
>> diff --git a/src/node_device/node_device_driver.c b/src/node_device/node_device_driver.c
>> index 14b3098..21a4c8d 100644
>> --- a/src/node_device/node_device_driver.c
>> +++ b/src/node_device/node_device_driver.c
>> @@ -720,6 +720,8 @@ nodeDeviceDestroy(virNodeDevicePtr dev)
>>      }
>>  
>>  out:
>> +    if (obj)
>> +        virNodeDeviceObjUnlock(obj);
>>      VIR_FREE(parent_name);
>>      VIR_FREE(wwnn);
>>      VIR_FREE(wwpn);
> 
> ACK to this patch.  I think this way to do the unlock in the error case 
> is correct.  (I don't agree with Matthias' comment.  As the code stands 
> now, either way will work, but this way protects against problems in 
> code that is added in the future.)

I agree, more future proof, and follows the same conventions of the
other code in node_device_driver.c

I've pushed this change now.

Thanks,
Cole

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