[PATCH linux-next] kernfs: use strscpy() is more robust and safer

[guo.ziliang]

From: guo ziliang <guo.ziliang@xxxxxxxxxx>

The implementation of strscpy() is more robust and safer.  That's now the
recommended way to copy NUL terminated strings.

Signed-off-by: guo ziliang <guo.ziliang@xxxxxxxxxx>
---
 fs/kernfs/dir.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c
index 77d7a3a..fbb8df4 100644
--- a/fs/kernfs/dir.c
+++ b/fs/kernfs/dir.c
@@ -844,7 +844,7 @@ static struct kernfs_node *kernfs_walk_ns(struct kernfs_node *parent,

        spin_lock_irq(&kernfs_pr_cont_lock);

-       len = strlcpy(kernfs_pr_cont_buf, path, sizeof(kernfs_pr_cont_buf));
+       len = strscpy(kernfs_pr_cont_buf, path, sizeof(kernfs_pr_cont_buf));

        if (len >= sizeof(kernfs_pr_cont_buf)) {
                spin_unlock_irq(&kernfs_pr_cont_lock);
--
1.8.3.1