Re: tty's use of file_list_lock and file_move

["Jon Smirl" <jonsmirl@gmail.com>]

On 7/11/06, Paulo Marques <pmarques@grupopie.com> wrote:
> Jon Smirl wrote:
> >[...]
> >  extern struct tty_driver *ptm_driver;        /* Unix98 pty masters; for /dev/ptmx */
> > @@ -158,21 +157,21 @@ static struct tty_struct *alloc_tty_stru
> >  {
> >       struct tty_struct *tty;
> >
> > -     tty = kmalloc(sizeof(struct tty_struct), GFP_KERNEL);
> > -     if (tty)
> > -             memset(tty, 0, sizeof(struct tty_struct));
> > +     tty = kmalloc(sizeof(*tty), GFP_KERNEL);
>                ^^^^^^^
> kzalloc?

It needs to be cleaned up. Right now it clears the struct twice before
using it, once in tty_alloc and another in tty_init.

> I don't know this code very well, so you might be actually changing the
> initialization here. On the other hand, this might be just a simple bug...


--
Jon Smirl
jonsmirl@gmail.com
-
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/