[dpdk-dev] [PATCH 17/17] net/bnxt: fix mbuf free when clearing Tx queue

Somnath Kotur somnath.kotur at broadcom.com
Thu Oct 24 07:59:12 CEST 2019


From: Lance Richardson <lance.richardson at broadcom.com>

When freeing pending transmit mbufs, use rte_pktmbuf_free_seg()
instead of rte_pktmbuf_free(), otherwise linked mbufs may be freed
more than once.

Fixes: 6eb3cc2294fd ("net/bnxt: add initial Tx code")
Reviewed-by: Ajit Kumar Khaparde <ajit.khaparde at broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur at broadcom.com>
Signed-off-by: Somnath Kotur <somnath.kotur at broadcom.com>
---
 drivers/net/bnxt/bnxt_txq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/bnxt/bnxt_txq.c b/drivers/net/bnxt/bnxt_txq.c
index ebb9199..6b866d4 100644
--- a/drivers/net/bnxt/bnxt_txq.c
+++ b/drivers/net/bnxt/bnxt_txq.c
@@ -34,7 +34,7 @@ static void bnxt_tx_queue_release_mbufs(struct bnxt_tx_queue *txq)
 	if (sw_ring) {
 		for (i = 0; i < txq->tx_ring->tx_ring_struct->ring_size; i++) {
 			if (sw_ring[i].mbuf) {
-				rte_pktmbuf_free(sw_ring[i].mbuf);
+				rte_pktmbuf_free_seg(sw_ring[i].mbuf);
 				sw_ring[i].mbuf = NULL;
 			}
 		}
-- 
2.10.1.613.g2cc2e70



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