Re: [PATCH] random: don't forget compat_ioctl on unrandom

From: Jason A. Donenfeld
Date: Tue Dec 17 2019 - 12:39:31 EST


Ooof, typing too fast. "unrandom" in the subject should be "urandom", of course.

On Tue, Dec 17, 2019 at 6:25 PM Jason A. Donenfeld <Jason@xxxxxxxxx> wrote:
>
> Recently, there's been some compat ioctl cleanup, in which large
> hardcoded lists were replaced with compat_ptr_ioctl. One of these
> changes involved removing the random.c hardcoded list entries and adding
> a compat ioctl function pointer to the random.c fops. In the process,
> urandom was forgotten about, so this commit fixes that oversight.
>
> Fixes: 507e4e2b430b ("compat_ioctl: remove /dev/random commands")
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx>
> ---
> drivers/char/random.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/char/random.c b/drivers/char/random.c
> index 909e0c3d82ea..cda12933a17d 100644
> --- a/drivers/char/random.c
> +++ b/drivers/char/random.c
> @@ -2175,6 +2175,7 @@ const struct file_operations urandom_fops = {
> .read = urandom_read,
> .write = random_write,
> .unlocked_ioctl = random_ioctl,
> + .compat_ioctl = compat_ptr_ioctl,
> .fasync = random_fasync,
> .llseek = noop_llseek,
> };
> --
> 2.24.1