[dpdk-dev] [PATCH v2] net/ring: fix eth_dev device pointer on allocation

[Ferruh Yigit]

On 5/8/2020 12:00 PM, Ferruh Yigit wrote:
> On 5/6/2020 7:09 PM, Gaetan Rivet wrote:
>> When a net_ring device is allocated, its device pointer is not set
>> before calling rte_eth_dev_probing_finish, which is incorrect.
>>
>> The following:
>>   commit: 96cb19521147 ("net/ring: use EAL APIs in PMD specific API")
>>   commit: a6992e961050 ("net/ring: set ethernet device field")
>>
>> already fixed the same issue in 17.08, which was fine at the time.
>> Adding the hook rte_eth_dev_probing_finish() however created this bug,
>> as the eth_dev exposed when this hook is executed is expected to be
>> complete.
>>
>> Remove the prior attempts to fix the issue in rte_pmd_ring_probe() and
>> write the pointer properly in do_eth_dev_ring_create().
>>
>> Cc: stable at dpdk.org
>> Fixes: fbe90cdd776c ("ethdev: add probing finish function")
>> Signed-off-by: Gaetan Rivet <grive at u256.net>
> 
> I would prefer moving the assignment up in the stack where 'device' is
> available, instead of moving the variable down in the stack to assign it, but
> both does the work ...
> 
> Reviewed-by: Ferruh Yigit <ferruh.yigit at intel.com>
> 

Applied to dpdk-next-net/master, thanks.