linux-kernel - Re: [PATCH] connector: Fix regression introduced by sid connector

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Message-ID: <20091001222941.GA15096@redhat.com>
Date:	Fri, 2 Oct 2009 00:29:42 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Christian Borntraeger <borntraeger@...ibm.com>, scott@...ntu.com,
	zbr@...emap.net, linux-kernel@...r.kernel.org, matthltc@...ibm.com,
	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH] connector: Fix regression introduced by sid connector

On 10/01, Andrew Morton wrote:
>
> On Wed, 30 Sep 2009 08:43:11 +0200
> Christian Borntraeger <borntraeger@...ibm.com> wrote:
>
> > --- linux-2.6.orig/kernel/sys.c
> > +++ linux-2.6/kernel/sys.c
> > @@ -1110,6 +1110,8 @@ SYSCALL_DEFINE0(setsid)
> >  	err = session;
> >  out:
> >  	write_unlock_irq(&tasklist_lock);
> > +	if (err > 0)
> > +		proc_sid_connector(sid);
> >  	return err;
> >  }
>
> kernel/sys.c: In function 'sys_setsid':
> kernel/sys.c:1114: warning: passing argument 1 of 'proc_sid_connector' from incompatible pointer type
>
> Pass a `struct pid*' into a function expecting a `struct task_struct*'.
> Surely it will crash??

Oh, indeed, it should be

	proc_sid_connector(group_leader);

Oleg.

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