[dpdk-dev] [PATCH] net/af_xdp: fix memzone leak in error path

Yunjian Wang wangyunjian at huawei.com
Fri Dec 1 09:03:07 CET 2023


In xdp_umem_configure() allocated memzone for the 'umem', we should
free it when xsk_umem__create() call fails, otherwise it will lead
to memory zone leak.

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

Signed-off-by: Yunjian Wang <wangyunjian at huawei.com>
---
 drivers/net/af_xdp/rte_eth_af_xdp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c b/drivers/net/af_xdp/rte_eth_af_xdp.c
index 2a20a6960c..2a1fdafb3c 100644
--- a/drivers/net/af_xdp/rte_eth_af_xdp.c
+++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
@@ -1229,6 +1229,7 @@ xsk_umem_info *xdp_umem_configure(struct pmd_internals *internals,
 
 	if (ret) {
 		AF_XDP_LOG(ERR, "Failed to create umem\n");
+		rte_memzone_free(mz);
 		goto err;
 	}
 	umem->mz = mz;
-- 
2.33.0



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