From 9d9bec216d4207b3f3336eda2ca2ba73698574cb Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Thu, 13 May 2021 19:39:17 -0600
Subject: [PATCH] sandbox: net: Ensure host name is always a valid string

At present if ifname is exactly IFNAMSIZ characters then it will result
in an unterminated string. Fix this by using strlcpy() instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reported-by: Coverity (CID: 316358)
Acked-by: Ramon Fried <rfried.dev@gmail.com>
---
 drivers/net/sandbox-raw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/sandbox-raw.c b/drivers/net/sandbox-raw.c
index ce66ff781f..99eb7a3bbf 100644
--- a/drivers/net/sandbox-raw.c
+++ b/drivers/net/sandbox-raw.c
@@ -161,7 +161,7 @@ static int sb_eth_raw_of_to_plat(struct udevice *dev)
 
 	ifname = dev_read_string(dev, "host-raw-interface");
 	if (ifname) {
-		strncpy(priv->host_ifname, ifname, IFNAMSIZ);
+		strlcpy(priv->host_ifname, ifname, IFNAMSIZ);
 		printf(": Using %s from DT\n", priv->host_ifname);
 	}
 	if (dev_read_u32(dev, "host-raw-interface-idx",
-- 
2.39.5