filename_mountpoint(): make LOOKUP_NO_EVAL unconditional there

user_path_mountpoint_at() always gets it and the reasons to have it
there (i.e. in umount(2)) apply to kern_path_mountpoint() callers
as well.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/namei.c

@@ -2718,7 +2718,7 @@ filename_mountpoint(int dfd, struct filename *name, struct path *path,
 	if (unlikely(error == -ESTALE))
 		error = path_mountpoint(&nd, flags | LOOKUP_REVAL, path);
 	if (likely(!error))
-		audit_inode(name, path->dentry, flags & LOOKUP_NO_EVAL);
+		audit_inode(name, path->dentry, LOOKUP_NO_EVAL);
 	restore_nameidata();
 	putname(name);
 	return error;

fs/namespace.c

@@ -1675,8 +1675,6 @@ int ksys_umount(char __user *name, int flags)
 	if (!(flags & UMOUNT_NOFOLLOW))
 		lookup_flags |= LOOKUP_FOLLOW;
 
-	lookup_flags |= LOOKUP_NO_EVAL;
-
 	retval = user_path_mountpoint_at(AT_FDCWD, name, lookup_flags, &path);
 	if (retval)
 		goto out;