[PATCH resend] vfs: namei: use path_equal() in follow_dotdot()

[Danilo Krummrich]

Use path_equal() to detect whether we're already in root.

Signed-off-by: Danilo Krummrich <danilokrummr...@dk-develop.de>
---
 fs/namei.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index 186bd2464fd5..6f0dc40f88c5 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1438,10 +1438,8 @@ static int path_parent_directory(struct path *path)
 static int follow_dotdot(struct nameidata *nd)
 {
        while(1) {
-               if (nd->path.dentry == nd->root.dentry &&
-                   nd->path.mnt == nd->root.mnt) {
+               if (path_equal(&nd->path, &nd->root))
                        break;
-               }
                if (nd->path.dentry != nd->path.mnt->mnt_root) {
                        int ret = path_parent_directory(&nd->path);
                        if (ret)
-- 
2.17.0