[PATCH] net/af_xdp: fix resources leak when xsk configure fails

[Yunjian Wang]

In xdp_umem_configure() allocated some resources for the
xsk umem, we should delete them when xsk configure fails,
otherwise it will lead to resources leak.

Fixes: f1debd77efaf ("net/af_xdp: introduce AF_XDP PMD")
Cc: sta...@dpdk.org

Signed-off-by: Yunjian Wang <wangyunj...@huawei.com>
---
 drivers/net/af_xdp/rte_eth_af_xdp.c | 4 +++-
 1 file changed, 3 insertions(+), 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 2d151e45c7..8b8b2cff9f 100644
--- a/drivers/net/af_xdp/rte_eth_af_xdp.c
+++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
@@ -1723,8 +1723,10 @@ xsk_configure(struct pmd_internals *internals, struct 
pkt_rx_queue *rxq,
 out_xsk:
        xsk_socket__delete(rxq->xsk);
 out_umem:
-       if (__atomic_fetch_sub(&rxq->umem->refcnt, 1, __ATOMIC_ACQUIRE) - 1 == 
0)
+       if (__atomic_fetch_sub(&rxq->umem->refcnt, 1, __ATOMIC_ACQUIRE) - 1 == 
0) {
+               (void)xsk_umem__delete(rxq->umem->umem);
                xdp_umem_destroy(rxq->umem);
+       }
 
        return ret;
 }
-- 
2.41.0