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SubjectRe: chrdev_open lifetime question
Date
Hi Pete,

On Monday 19 March 2007 21:02, Pete Zaitcev wrote:
> On Wed, 7 Mar 2007 17:23:05 -0500, "Dmitry Torokhov" <dmitry.torokhov@gmail.com> wrote:
>
> > It seems that if a process keeps a character device open then other
> > processes will also be able to get into filp->f_op->open(inode,filp)
> > in chrdev_open() even after a driver called cdev_del() as part of its
> > unwind procedure. Is this correct or am I missing something?
>
> I see no replies in the archives. Have you got any private ones?

No I have not.

>
> Also, what's the context?

I want to switch input handlers to cdevs to rip table of devices out
of input core and lift limit on potential number of devices and was
pondering locking implications.

--
Dmitry
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