[dpdk-dev] [dpdk-stable] [PATCH] net/af_xdp: change return value from Rx to unsigned

[Ferruh Yigit]

On 8/7/2020 10:32 AM, Ciara Loftus wrote:
> The af_xdp rx function was returning a negative value on error, when an
> unsigned value is expected. Fix this.
> 
> Fixes: d8a210774e1d ("net/af_xdp: support unaligned umem chunks")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Ciara Loftus <ciara.loftus at intel.com>
> ---
>  drivers/net/af_xdp/rte_eth_af_xdp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c b/drivers/net/af_xdp/rte_eth_af_xdp.c
> index 936d4a7d5f..7ce4ad04af 100644
> --- a/drivers/net/af_xdp/rte_eth_af_xdp.c
> +++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
> @@ -236,7 +236,7 @@ af_xdp_rx_zc(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
>  	if (rte_pktmbuf_alloc_bulk(umem->mb_pool, fq_bufs, nb_pkts)) {
>  		AF_XDP_LOG(DEBUG,
>  			"Failed to get enough buffers for fq.\n");
> -		return -1;
> +		return 0;
>  	}
>  
>  	rcvd = xsk_ring_cons__peek(rx, nb_pkts, &idx_rx);
> 

Acked-by: Ferruh Yigit <ferruh.yigit at intel.com>