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Message-ID: <202211220853259244666@zte.com.cn>
Date: Tue, 22 Nov 2022 08:53:25 +0800 (CST)
From: <yang.yang29@....com.cn>
To: <akpm@...ux-foundation.org>
Cc: <wuchi.zero@...il.com>, <axboe@...nel.dk>,
<colin.i.king@...il.com>, <linux-kernel@...r.kernel.org>,
<xu.panda@....com.cn>, <yang.yang29@....com.cn>
Subject: [PATCH linux-next] relay: use strscpy() is more robust and safer
From: Xu Panda <xu.panda@....com.cn>
The implementation of strscpy() is more robust and safer.
That's now the recommended way to copy NUL terminated strings.
Signed-off-by: Xu Panda <xu.panda@....com.cn>
Signed-off-by: Yang Yang <yang.yang29@....com>
---
kernel/relay.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/relay.c b/kernel/relay.c
index d7edc934c56d..0a3d2e702001 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -507,7 +507,7 @@ struct rchan *relay_open(const char *base_filename,
chan->private_data = private_data;
if (base_filename) {
chan->has_base_filename = 1;
- strlcpy(chan->base_filename, base_filename, NAME_MAX);
+ strscpy(chan->base_filename, base_filename, NAME_MAX);
}
chan->cb = cb;
kref_init(&chan->kref);
@@ -578,7 +578,7 @@ int relay_late_setup_files(struct rchan *chan,
if (!chan || !base_filename)
return -EINVAL;
- strlcpy(chan->base_filename, base_filename, NAME_MAX);
+ strscpy(chan->base_filename, base_filename, NAME_MAX);
mutex_lock(&relay_channels_mutex);
/* Is chan already set up? */
--
2.15.2
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