Re: [PATCH 3/4] tty: Abstract and encapsulate tty->closing behavior

From: Peter Hurley
Date: Mon Nov 09 2015 - 08:28:09 EST


On 11/09/2015 04:12 AM, Johannes Stezenbach wrote:
> On Sun, Nov 08, 2015 at 05:02:52PM -0500, Peter Hurley wrote:
>> +void tty_ldisc_closing(struct tty_struct *tty)
>> +{
>> + struct tty_ldisc *ld = tty_ldisc_ref(tty);
>> +
>> + if (ld->ops->closing)
>> + ld->ops->closing(tty);
>> + if (ld)
>> + tty_ldisc_deref(ld);
>> +}
>
> That looks strange. Do you need to check ld _before_ dereferencing?

Yes. Thanks for noticing.

Regards,
Peter Hurley
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