[PATCH v2] common/idpf: fix memory leak on AVX512 TX queue close

[Wenjun Wu]

When releasing mbufs for TX queue software ring of AVX512,
the mbuf in the range [i, tx_tail] should also be freed.
The variable i refers to the index of the last mbuf released
in the software ring.

Fixes: 5bf87b45b2c8 ("net/idpf: add AVX512 data path for single queue model")
Cc: stable at dpdk.org

Signed-off-by: Wenjun Wu <wenjun1.wu at intel.com>
---
 drivers/common/idpf/idpf_common_rxtx_avx512.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/common/idpf/idpf_common_rxtx_avx512.c b/drivers/common/idpf/idpf_common_rxtx_avx512.c
index dffb11fcf2..81312617cc 100644
--- a/drivers/common/idpf/idpf_common_rxtx_avx512.c
+++ b/drivers/common/idpf/idpf_common_rxtx_avx512.c
@@ -1601,6 +1601,10 @@ idpf_tx_release_mbufs_avx512(struct idpf_tx_queue *txq)
 		}
 		i = 0;
 	}
+	for (; i < txq->tx_tail; i++) {
+		rte_pktmbuf_free_seg(swr[i].mbuf);
+		swr[i].mbuf = NULL;
+	}
 }
 
 static const struct idpf_txq_ops avx512_tx_vec_ops = {
-- 
2.34.1