linux-kernel - [PATCH v2] net/smc: replace strncpy with strscpy

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Message-ID: <20250620102559.6365-1-pranav.tyagi03@gmail.com>
Date: Fri, 20 Jun 2025 15:55:59 +0530
From: Pranav Tyagi <pranav.tyagi03@...il.com>
To: wenjia@...ux.ibm.com,
	jaka@...ux.ibm.com,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	linux-rdma@...r.kernel.org,
	linux-s390@...r.kernel.org,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: alibuda@...ux.alibaba.com,
	tonylu@...ux.alibaba.com,
	guwen@...ux.alibaba.com,
	horms@...nel.org,
	skhan@...uxfoundation.org,
	linux-kernel-mentees@...ts.linux.dev,
	Pranav Tyagi <pranav.tyagi03@...il.com>
Subject: [PATCH v2] net/smc: replace strncpy with strscpy

Replace the deprecated strncpy() with two-argument version of
strscpy() as the destination is an array
and should be NUL-terminated.

Signed-off-by: Pranav Tyagi <pranav.tyagi03@...il.com>
---
 net/smc/smc_pnet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c
index b391c2ef463f..76ad29e31d60 100644
--- a/net/smc/smc_pnet.c
+++ b/net/smc/smc_pnet.c
@@ -370,7 +370,7 @@ static int smc_pnet_add_eth(struct smc_pnettable *pnettable, struct net *net,
 		goto out_put;
 	new_pe->type = SMC_PNET_ETH;
 	memcpy(new_pe->pnet_name, pnet_name, SMC_MAX_PNETID_LEN);
-	strncpy(new_pe->eth_name, eth_name, IFNAMSIZ);
+	strscpy(new_pe->eth_name, eth_name);
 	rc = -EEXIST;
 	new_netdev = true;
 	mutex_lock(&pnettable->lock);
-- 
2.49.0