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From: Bastian Blank <bastian@waldi.eu.org>
To: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Cc: oleg@redhat.com, ebiederm@xmission.com, roland@redhat.com,
	containers@lists.osdl.org, linux-kernel@vger.kernel.org,
	xemul@openvz.org
Subject: Re: [RFC][PATCH 1/5] pid: Implement ns_of_pid
Date: Tue, 2 Dec 2008 12:58:41 +0100	[thread overview]
Message-ID: <20081202115841.GC1132@wavehammer.waldi.eu.org> (raw)
In-Reply-To: <20081201202422.GD12493@us.ibm.com>

On Mon, Dec 01, 2008 at 12:24:22PM -0800, Sukadev Bhattiprolu wrote:
> Bastian Blank [bastian@waldi.eu.org] wrote:
> | On Tue, Nov 25, 2008 at 07:44:42PM -0800, Sukadev Bhattiprolu wrote:
> | > +/* ns_of_pid returns the pid namespace in which the specified
> | > + * pid was allocated.
> | > + */
> | > +static inline struct pid_namespace *ns_of_pid(struct pid *pid)
> | > +{
> | > +	struct pid_namespace *ns = NULL;
> | > +	if (pid)
> | > +		ns = pid->numbers[pid->level].ns;
> | > +	return ns;
> | > +}
> | > +
> | When can the pid argument be null?
> Soon after creation but more importantly, after detach_pid()
> (release_task).

pid is a function argument and the function does not call detach_pid. So
please try again.

Bastian

-- 
Spock: The odds of surviving another attack are 13562190123 to 1, Captain.

  reply	other threads:[~2008-12-02 11:58 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-26  3:42 [RFC][PATCH 0/5] Container init signal semantics Sukadev Bhattiprolu
2008-11-26  3:44 ` [RFC][PATCH 1/5] pid: Implement ns_of_pid Sukadev Bhattiprolu
2008-11-27  1:19   ` Bastian Blank
2008-12-01 20:24     ` Sukadev Bhattiprolu
2008-12-02 11:58       ` Bastian Blank [this message]
2008-12-02 22:12         ` Sukadev Bhattiprolu
2008-12-03  0:34         ` Valdis.Kletnieks
2008-11-26  3:45 ` [RFC][PATCH 2/5] pid: Generalize task_active_pid_ns Sukadev Bhattiprolu
2008-11-27  1:17   ` Bastian Blank
2008-11-27 21:19     ` Greg Kurz
2008-12-01 21:15       ` Sukadev Bhattiprolu
2008-12-02 11:57         ` Bastian Blank
2008-12-03  7:41           ` Sukadev Bhattiprolu
2008-12-04 12:58             ` Bastian Blank
2008-11-27 13:09   ` Nadia Derbey
2008-12-01 20:38     ` Sukadev Bhattiprolu
2008-11-26  3:46 ` [RFC][PATCH 3/5] Determine if sender is from ancestor ns Sukadev Bhattiprolu
2008-11-27  1:01   ` Bastian Blank
2008-12-01 20:15     ` Sukadev Bhattiprolu
2008-12-02 11:48       ` Bastian Blank
2008-12-02 19:59         ` Sukadev Bhattiprolu
2008-12-04 12:45           ` [RFC][PATCH 3/5] Determine if sender is from ancestor ns+ Bastian Blank
2008-12-02  3:07   ` [RFC][PATCH 3/5] Determine if sender is from ancestor ns Roland McGrath
2008-12-04  1:06   ` Roland McGrath
2008-12-09  3:22     ` Sukadev Bhattiprolu
2008-11-26  3:46 ` [RFC][PATCH 4/5] Protect cinit from fatal signals Sukadev Bhattiprolu
2008-11-27  1:07   ` Bastian Blank
2008-12-01 20:21     ` Sukadev Bhattiprolu
2008-12-02 12:06       ` Bastian Blank
2008-12-02 20:51         ` Sukadev Bhattiprolu
2008-12-04 12:52           ` Bastian Blank
2008-12-04 18:58             ` Sukadev Bhattiprolu
2008-11-26  3:46 ` [RFC][PATCH 5/5] Clear si_pid for signal from ancestor ns Sukadev Bhattiprolu

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