Re: Serial buffer memory leak

From: Frederik Deweerdt
Date: Wed Aug 08 2007 - 10:30:37 EST


On Wed, Aug 08, 2007 at 02:45:32PM +0100, Alan Cox wrote:
> > I'm not familiar enough with the tty code to decide what the proper fix should
> > be. I'll try to write a patch if someone could point me in the right
> > direction.
>
> Something like this perhaps ?
>
[....]
> - * flush all the buffers containing receive data
> + * flush all the buffers containing receive data. Caller must
> + * hold the buffer lock and must have ensured no parallel flush to
> + * ldisc is running.
> *
> * Locking: none
^^^^
> */
Isn't the comment a bit misleading here? The caller must hold tty->buf.lock.

Frederik
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