[PATCH v2 03/10] net/cnxk: fix extbuf handling for multisegment packet

[Nithin Dabilpuram]

From: Rakesh Kudurumalla <rkudurumalla at marvell.com>

Avoid double free of extbuf when during TX path in
multisegmented packet with extbuf as one of segment.

Fixes: dd9446991212 ("net/cnxk: add transmit completion handler")
Cc: stable at dpdk.org

Signed-off-by: Rakesh Kudurumalla <rkudurumalla at marvell.com>
---
 drivers/net/cnxk/cn9k_tx.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/cnxk/cn9k_tx.h b/drivers/net/cnxk/cn9k_tx.h
index 6fc9e4d758..b56881c561 100644
--- a/drivers/net/cnxk/cn9k_tx.h
+++ b/drivers/net/cnxk/cn9k_tx.h
@@ -117,6 +117,7 @@ cn9k_nix_prefree_seg(struct rte_mbuf *m, struct rte_mbuf **extm, struct cn9k_eth
 			send_hdr->w1.sqe_id = sqe_id &
 				txq->tx_compl.nb_desc_mask;
 			txq->tx_compl.ptr[send_hdr->w1.sqe_id] = m;
+			m->next = NULL;
 		}
 		return 1;
 	} else {
-- 
2.25.1