DPDK patches and discussions
 help / color / mirror / Atom feed
From: Ciara Loftus <ciara.loftus@intel.com>
To: dev@dpdk.org
Cc: Ciara Loftus <ciara.loftus@intel.com>
Subject: [dpdk-dev] [PATCH] net/af_xdp: use snprintf instead of strncpy
Date: Wed,  7 Oct 2020 09:01:37 +0000	[thread overview]
Message-ID: <20201007090137.5121-1-ciara.loftus@intel.com> (raw)

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

Coverity issue: 362975
Fixes: 339b88c6a91f ("net/af_xdp: support multi-queue")
Signed-off-by: Ciara Loftus <ciara.loftus@intel.com>
---
 drivers/net/af_xdp/rte_eth_af_xdp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c b/drivers/net/af_xdp/rte_eth_af_xdp.c
index eaf2c9c873..52495cb8fb 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);
+	snprintf(ifr.ifr_name, IFNAMSIZ, "%s", if_name);
 	ret = ioctl(fd, SIOCETHTOOL, &ifr);
 	if (ret) {
 		if (errno == EOPNOTSUPP) {
-- 
2.17.1


             reply	other threads:[~2020-10-07  9:27 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-07  9:01 Ciara Loftus [this message]
2020-10-07  9:40 ` Ferruh Yigit
2020-10-07  9:51   ` Olivier Matz
2020-10-07 10:26     ` Bruce Richardson
2020-10-07 10:28       ` Bruce Richardson
2020-10-07 11:45         ` Ferruh Yigit
2020-10-09 10:36           ` Gaëtan Rivet
2020-10-09 10:49             ` Bruce Richardson
2020-10-09 10:59             ` Ferruh Yigit
2020-10-09 16:37               ` Gaëtan Rivet

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20201007090137.5121-1-ciara.loftus@intel.com \
    --to=ciara.loftus@intel.com \
    --cc=dev@dpdk.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).