> devfs_rmdir() checks that directory is empty. Then it calls
> devfsd_notify_one(), which can block. Then it marks the entry
> unregistered and reports success.
>
> Guess what will happen if devfs_register() will happen at that
> moment...
Ugh... My apologies - race here is a bit different. Namely,
devfs_register() find a directory, starts creating a child,
blocks in kmalloc(), _then_ entire devfs_rmdir() happens and
devfs_register() merrily inserts a new child into dead directory.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/