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Subject[PATCH linux-next] mm/damon/sysfs-schemes: use strscpy() to instead of strncpy()
From: Xu Panda <xu.panda@zte.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@zte.com.cn>
Signed-off-by: Yang Yang <yang.yang29@zte.com.cn>
---
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
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