linux-kernel - [PATCH] target/core: replace strncpy with strscpy

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Message-ID: <20250706092522.9298-1-pranav.tyagi03@gmail.com>
Date: Sun,  6 Jul 2025 14:55:22 +0530
From: Pranav Tyagi <pranav.tyagi03@...il.com>
To: martin.petersen@...cle.com,
	linux-scsi@...r.kernel.org,
	target-devel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: skhan@...uxfoundation.org,
	linux-kernel-mentees@...ts.linux.dev,
	Pranav Tyagi <pranav.tyagi03@...il.com>
Subject: [PATCH] target/core: replace strncpy with strscpy

strncpy() is deprecated and its use is discouraged. Replace strncpy()
with safer strscpy() as the p_buf buffer should be NUL-terminated, since
it holds human readable debug output strings.

Signed-off-by: Pranav Tyagi <pranav.tyagi03@...il.com>
---
 drivers/target/target_core_transport.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 0a76bdfe5528..9c255ed21789 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1112,7 +1112,7 @@ void transport_dump_vpd_proto_id(
 	}
 
 	if (p_buf)
-		strncpy(p_buf, buf, p_buf_len);
+		strscpy(p_buf, buf, p_buf_len);
 	else
 		pr_debug("%s", buf);
 }
@@ -1162,7 +1162,7 @@ int transport_dump_vpd_assoc(
 	}
 
 	if (p_buf)
-		strncpy(p_buf, buf, p_buf_len);
+		strscpy(p_buf, buf, p_buf_len);
 	else
 		pr_debug("%s", buf);
 
@@ -1222,7 +1222,7 @@ int transport_dump_vpd_ident_type(
 	if (p_buf) {
 		if (p_buf_len < strlen(buf)+1)
 			return -EINVAL;
-		strncpy(p_buf, buf, p_buf_len);
+		strscpy(p_buf, buf, p_buf_len);
 	} else {
 		pr_debug("%s", buf);
 	}
@@ -1276,7 +1276,7 @@ int transport_dump_vpd_ident(
 	}
 
 	if (p_buf)
-		strncpy(p_buf, buf, p_buf_len);
+		strscpy(p_buf, buf, p_buf_len);
 	else
 		pr_debug("%s", buf);
 
-- 
2.49.0