net/bnxt: fix mbuf free when clearing Tx queue

[ upstream commit 0093267 ]

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: 6eb3cc2 ("net/bnxt: add initial Tx code")

Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Signed-off-by: Lance Richardson <lance.richardson@broadcom.com>

drivers/net/bnxt/bnxt_txq.c

@@ -35,7 +35,7 @@ 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;
 			}
 		}