From b89664c07b02ea7fb6f90210f1a6ae5b6e990787 Mon Sep 17 00:00:00 2001 From: "John W. Linville" Date: Thu, 27 Aug 2015 13:50:50 -0400 Subject: [PATCH] af_packet: check Tx error Coverity CID # 13200 If sendto fails, the packets will not get transmitted. Return 0 as the number of packets transmitted. Signed-off-by: John W. Linville --- drivers/net/af_packet/rte_eth_af_packet.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/af_packet/rte_eth_af_packet.c b/drivers/net/af_packet/rte_eth_af_packet.c index cac26e5338..bfde661157 100644 --- a/drivers/net/af_packet/rte_eth_af_packet.c +++ b/drivers/net/af_packet/rte_eth_af_packet.c @@ -220,7 +220,8 @@ eth_af_packet_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) } /* kick-off transmits */ - sendto(pkt_q->sockfd, NULL, 0, MSG_DONTWAIT, NULL, 0); + if (sendto(pkt_q->sockfd, NULL, 0, MSG_DONTWAIT, NULL, 0) == -1) + return 0; /* error sending -- no packets transmitted */ pkt_q->framenum = framenum; pkt_q->tx_pkts += num_tx; -- 2.20.1