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>
---
v3: remove unnecessary null check
v2: update code style as suggested by Maryam Tahhan
---
drivers/net/af_xdp/rte_eth_af_xdp.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c
b/drivers/net/af_xdp/rte_eth_af_xdp.c
index 2d151e45c7..93c6f3b723 100644
--- a/drivers/net/af_xdp/rte_eth_af_xdp.c
+++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
@@ -960,6 +960,8 @@ remove_xdp_program(struct pmd_internals *internals)
static void
xdp_umem_destroy(struct xsk_umem_info *umem)
{
+ (void)xsk_umem__delete(umem->umem);
+ umem->umem = NULL;
#if defined(XDP_UMEM_UNALIGNED_CHUNK_FLAG)
umem->mb_pool = NULL;
#else
@@ -992,11 +994,8 @@ eth_dev_close(struct rte_eth_dev *dev)
break;
xsk_socket__delete(rxq->xsk);
- if (__atomic_fetch_sub(&rxq->umem->refcnt, 1, __ATOMIC_ACQUIRE)
- 1
- == 0) {
- (void)xsk_umem__delete(rxq->umem->umem);
+ if (__atomic_fetch_sub(&rxq->umem->refcnt, 1, __ATOMIC_ACQUIRE)
- 1 == 0)
xdp_umem_destroy(rxq->umem);
- }
/* free pkt_tx_queue */
rte_free(rxq->pair);
--
2.41.0
