[PATCH linux-next] mm/damon/sysfs-schemes: use strscpy() to instead of strncpy()

[yang.yang29]

From: Xu Panda <xu.panda@xxxxxxxxxx>

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@xxxxxxxxxx>
Signed-off-by: Yang Yang <yang.yang29@xxxxxxxxxx>
---
 mm/damon/sysfs-schemes.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c
index f0dabe3e2dc0..86edca66aab1 100644
--- a/mm/damon/sysfs-schemes.c
+++ b/mm/damon/sysfs-schemes.c
@@ -353,8 +353,7 @@ static ssize_t memcg_path_store(struct kobject *kobj,
 	if (!path)
 		return -ENOMEM;

-	strncpy(path, buf, count);
-	path[count] = '\0';
+	strscpy(path, buf, count + 1);
 	filter->memcg_path = path;
 	return count;
 }
-- 
2.15.2