net/af_xdp: change return value from Rx to unsigned

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@dpdk.org
Signed-off-by: Ciara Loftus <ciara.loftus@intel.com>
Acked-by: Ferruh Yigit <ferruh.yigit@intel.com>

diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c b/drivers/net/af_xdp/rte_eth_af_xdp.c
index 936d4a7..7ce4ad0 100644 (file)
--- 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);