usbfs_get_inode() is something completely different...
Bogosity introduced by commit 
85fe4025c616 ("fs: do not assign default
i_ino in new_inode").
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
        if (likely(inode)) {
                struct timespec current_time = CURRENT_TIME;
 
-               inode->i_ino     = usbfs_get_inode();
+               inode->i_ino     = get_next_ino();
                inode->i_mode    = perms->mode;
                inode->i_uid     = perms->uid;
                inode->i_gid     = perms->gid;