[PATCH 05/12] net/enetfec: fix build with GCC 12

[Stephen Hemminger]

On Wed, 18 May 2022 12:16:50 +0200
David Marchand <david.marchand at redhat.com> wrote:

> GCC 12 raises the following warning:
> 
> ../drivers/net/enetfec/enet_ethdev.c: In function
>         ‘enetfec_rx_queue_setup’:
> ../drivers/net/enetfec/enet_ethdev.c:473:9: error: array
>         subscript 1 is
>     above array bounds of ‘uint32_t[1]’ {aka ‘unsigned int[1]’}
>         [-Werror=array-bounds]
>   473 | rte_write32(rte_cpu_to_le_32(fep->bd_addr_p_r[queue_idx]),
>       | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   474 |     (uint8_t *)fep->hw_baseaddr_v + ENETFEC_RD_START(queue_idx));
>       |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> In file included from ../drivers/net/enetfec/enet_ethdev.c:9:
> ../drivers/net/enetfec/enet_ethdev.h:113:33: note: while referencing
>         ‘bd_addr_p_r’
>   113 | uint32_t                bd_addr_p_r[ENETFEC_MAX_Q];
>       |                                 ^~~~~~~~~~~
> 
> This driver properly announces that it only supports 1 rxq.
> Silence this warning by adding an explicit check on the queue id.
> 
> Cc: stable at dpdk.org
> 
> Signed-off-by: David Marchand <david.marchand at redhat.com>


Acked-by: Stephen Hemminger <stephen at networkplumber.org>