From: Ciara Loftus <ciara.loftus@intel.com>
Date: Wed, 7 Oct 2020 09:20:50 +0000 (+0000)
Subject: net/af_xdp: use strlcpy instead of strncpy
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=6d3c595d3a4e856307b92d1a824b07b48da1cc3c;p=dpdk.git

net/af_xdp: use strlcpy instead of strncpy

strncpy may leave the destination buffer not NULL terminated so use
strlcpy instead.

Coverity issue: 362975
Fixes: 339b88c6a91f ("net/af_xdp: support multi-queue")
Cc: stable@dpdk.org

Signed-off-by: Ciara Loftus <ciara.loftus@intel.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
---

diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c b/drivers/net/af_xdp/rte_eth_af_xdp.c
index eaf2c9c873..ac00cbab8e 100644
--- a/drivers/net/af_xdp/rte_eth_af_xdp.c
+++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
@@ -1362,7 +1362,7 @@ xdp_get_channels_info(const char *if_name, int *max_queues,
 
 	channels.cmd = ETHTOOL_GCHANNELS;
 	ifr.ifr_data = (void *)&channels;
-	strncpy(ifr.ifr_name, if_name, IFNAMSIZ);
+	strlcpy(ifr.ifr_name, if_name, IFNAMSIZ);
 	ret = ioctl(fd, SIOCETHTOOL, &ifr);
 	if (ret) {
 		if (errno == EOPNOTSUPP) {