[dpdk-stable] [PATCH] net/ring: fix return value check

[Ferruh Yigit]

On 4/23/2019 4:49 PM, Bruce Richardson wrote:
> On Tue, Apr 23, 2019 at 04:31:00PM +0100, Ferruh Yigit wrote:
>> 'rte_eth_dev_get_port_by_name()' return value is not checked caught by
>> coverity, adding return value check.
>>
>> Coverity issue: 305853
>> Fixes: 96cb19521147 ("net/ring: use EAL APIs in PMD specific API")
>> Cc: stable at dpdk.org
>>
>> Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
>> ---
>>  drivers/net/ring/rte_eth_ring.c | 6 +++++-
>>  1 file changed, 5 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/net/ring/rte_eth_ring.c b/drivers/net/ring/rte_eth_ring.c
>> index 115a882b5..5ec646594 100644
>> --- a/drivers/net/ring/rte_eth_ring.c
>> +++ b/drivers/net/ring/rte_eth_ring.c
>> @@ -385,7 +385,11 @@ rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[],
>>  		return -1;
>>  	}
>>  
>> -	rte_eth_dev_get_port_by_name(ring_name, &port_id);
>> +	ret = rte_eth_dev_get_port_by_name(ring_name, &port_id);
>> +	if (ret) {
>> +		rte_errno = ENODEV;
>> +		return -1;
>> +	}
>>  
>>  	return port_id;
>>  }
> 
> Looks reasonable to me.
> 
> Acked-by: Bruce Richardson <bruce.richardson at intel.com>
> 

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