[dpdk-dev] [PATCH 3/4] app/testpmd: fix build with gcc 11

[Asaf Penso]

>-----Original Message-----
>From: dev <dev-bounces at dpdk.org> On Behalf Of David Marchand
>Sent: Thursday, September 24, 2020 12:31 PM
>To: Ferruh Yigit <ferruh.yigit at intel.com>
>Cc: Wenzhuo Lu <wenzhuo.lu at intel.com>; Beilei Xing
><beilei.xing at intel.com>; Bernard Iremonger
><bernard.iremonger at intel.com>; dev <dev at dpdk.org>; NBU-Contact-Adrien
>Mazarguil <adrien.mazarguil at 6wind.com>
>Subject: Re: [dpdk-dev] [PATCH 3/4] app/testpmd: fix build with gcc 11
>
>On Mon, Sep 21, 2020 at 3:39 PM Ferruh Yigit <ferruh.yigit at intel.com> wrote:
>>
>> Error observed with gcc 11 under development gcc (GCC) 11.0.0 20200920
>> (experimental)
>>
>> ../app/test-pmd/config.c:1777:61:
>>         warning: argument 3 of type ‘const uint32_t[n]’
>>         {aka ‘const unsigned int[n]’} declared as a variable length
>>         array [-Wvla-parameter]
>>  1777 | port_flow_list(portid_t port_id, uint32_t n,
>>                         const uint32_t group[n])
>>       |                 ~~~~~~~~~~~~~~~^~~~~~~~
>> In file included from ../app/test-pmd/config.c:53:
>> ../app/test-pmd/testpmd.h:764:67:
>>         note: previously declared as a pointer ‘const uint32_t *’
>>         {aka ‘const unsigned int *’}
>>   764 | void port_flow_list(portid_t port_id, uint32_t n,
>>                                 const uint32_t *group);
>>       |                         ~~~~~~~~~~~~~~~~^~~~~
>>
>
>It won't hurt to backport this.
>
>Fixes: 938a184a1870 ("app/testpmd: implement basic support for flow API")
>Cc: stable at dpdk.org
>
>> Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
>> ---
>>  app/test-pmd/config.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c index
>> b6eb2a57a..380f3b5f6 100644
>> --- a/app/test-pmd/config.c
>> +++ b/app/test-pmd/config.c
>> @@ -1774,7 +1774,7 @@ port_flow_aged(portid_t port_id, uint8_t
>> destroy)
>>
>>  /** List flow rules. */
>>  void
>> -port_flow_list(portid_t port_id, uint32_t n, const uint32_t group[n])
>> +port_flow_list(portid_t port_id, uint32_t n, const uint32_t *group)
>>  {
>>         struct rte_port *port;
>>         struct port_flow *pf;
>> --
>> 2.26.2
>>
>
>Reviewed-by: David Marchand <david.marchand at redhat.com>
>
>--
>David Marchand


Reviewed-by: Asaf Penso <asafp at nvidia.com>