[dpdk-stable] [PATCH] net/bonding: fix memory leak on closing device

[Min Hu (Connor)]

Acked-by: Min Hu (Connor) <humin29 at huawei.com>

在 2021/9/15 15:18, Yu, DapengX 写道:
> 
> 
>> -----Original Message-----
>> From: Min Hu (Connor) <humin29 at huawei.com>
>> Sent: Wednesday, September 15, 2021 2:59 PM
>> To: Yu, DapengX <dapengx.yu at intel.com>; Chas Williams <chas3 at att.com>
>> Cc: dev at dpdk.org; stable at dpdk.org
>> Subject: Re: [PATCH] net/bonding: fix memory leak on closing device
>>
>> Hi, dapengx,
>> 	Why not free internals->kvlist at the end of
>> "bond_ethdev_configure" ?
>> Does it call some bugs?
> 
> Just try not to deviate too much from the previous fix: 144dc4739975 ("net/bonding: fix leak on remove")
> Since it is reasonable.
> And releasing port resource in bond_ethdev_close() is in order to
> avoid that memory leak detect tool to find memory leak after device is closed.
> 
> free internals->kvlist at the end of "bond_ethdev_configure" is also ok.
> 
>>
>> 在 2021/9/15 13:08, dapengx.yu at intel.com 写道:
>>> From: Dapeng Yu <dapengx.yu at intel.com>
>>>
>>> If the bond device was created by vdev mode, the kvlist was not free
>>> after the bond device was closed.
>>>
>>> This patch fixes it.
>>>
>>> Fixes: 144dc4739975 ("net/bonding: fix leak on remove")
>>> Cc: stable at dpdk.org
>>>
>>> Signed-off-by: Dapeng Yu <dapengx.yu at intel.com>
>>> ---
>>>    drivers/net/bonding/rte_eth_bond_pmd.c | 5 +++--
>>>    1 file changed, 3 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c
>>> b/drivers/net/bonding/rte_eth_bond_pmd.c
>>> index a6755661c4..2e96b850fb 100644
>>> --- a/drivers/net/bonding/rte_eth_bond_pmd.c
>>> +++ b/drivers/net/bonding/rte_eth_bond_pmd.c
>>> @@ -2163,6 +2163,9 @@ bond_ethdev_close(struct rte_eth_dev *dev)
>>>    	 */
>>>    	rte_mempool_free(internals->mode6.mempool);
>>>
>>> +	if (internals->kvlist != NULL)
>>> +		rte_kvargs_free(internals->kvlist);
>>> +
>>>    	return 0;
>>>    }
>>>
>>> @@ -3475,8 +3478,6 @@ bond_remove(struct rte_vdev_device *dev)
>>>    		ret = bond_ethdev_stop(eth_dev);
>>>    		bond_ethdev_close(eth_dev);
>>>    	}
>>> -	if (internals->kvlist != NULL)
>>> -		rte_kvargs_free(internals->kvlist);
>>>    	rte_eth_dev_release_port(eth_dev);
>>>
>>>    	return ret;
>>>
> .
>