linux-kernel - Re: [patch -mm 2/4] mqueue namespace : add unshare support

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Message-ID: <474E943F.40804@fr.ibm.com>
Date:	Thu, 29 Nov 2007 11:28:15 +0100
From:	Cedric Le Goater <clg@...ibm.com>
To:	Pavel Emelyanov <xemul@...nvz.org>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Containers <containers@...ts.osdl.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [patch -mm 2/4] mqueue namespace : add unshare support


>> Index: 2.6.24-rc3-mm2/kernel/fork.c
>> ===================================================================
>> --- 2.6.24-rc3-mm2.orig/kernel/fork.c
>> +++ 2.6.24-rc3-mm2/kernel/fork.c
>> @@ -1004,6 +1004,13 @@ static struct task_struct *copy_process(
>>  	if ((clone_flags & CLONE_SIGHAND) && !(clone_flags & CLONE_VM))
>>  		return ERR_PTR(-EINVAL);
>>  
>> +	/*
>> +	 * mount namespace cannot be unshared when the mqueue
>> +	 * namespace is not
> 
> vice versa - mqueue namespace cannot be unshared when the mount one is not ;)

arg. yes :) 

Thanks !

C.


Signed-off-by: Cedric Le Goater <clg@...ibm.com>
---
 kernel/fork.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: 2.6.24-rc3-mm2/kernel/fork.c
===================================================================
--- 2.6.24-rc3-mm2.orig/kernel/fork.c
+++ 2.6.24-rc3-mm2/kernel/fork.c
@@ -1005,7 +1005,7 @@ static struct task_struct *copy_process(
                return ERR_PTR(-EINVAL);
 
        /*
-        * mount namespace cannot be unshared when the mqueue
+        * mqueue namespace cannot be unshared when the mount
         * namespace is not
         */
        if ((clone_flags & CLONE_NEWMQ) && !(clone_flags & CLONE_NEWNS))

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