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Date: Fri, 11 Jan 2013 16:38:34 +0800 From: Jason Wang <jasowang@...hat.com> To: David Miller <davem@...emloft.net> CC: stefanha@...hat.com, mst@...hat.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 3.8-rc] tuntap: refuse to re-attach to different tun_struct On 01/11/2013 01:12 PM, David Miller wrote: > From: Jason Wang <jasowang@...hat.com> > Date: Fri, 11 Jan 2013 09:29:20 +0800 > >> On 01/11/2013 06:39 AM, David Miller wrote: >>> From: Stefan Hajnoczi <stefanha@...hat.com> >>> Date: Thu, 10 Jan 2013 08:59:48 +0100 >>> >>>> Multiqueue tun devices support detaching a tun_file from its tun_struct >>>> and re-attaching at a later point in time. This allows users to disable >>>> a specific queue temporarily. >>>> >>>> ioctl(TUNSETIFF) allows the user to specify the network interface to >>>> attach by name. This means the user can attempt to attach to interface >>>> "B" after detaching from interface "A". >>>> >>>> The driver is not designed to support this so check we are re-attaching >>>> to the right tun_struct. Failure to do so may lead to oops. >>>> >>>> Signed-off-by: Stefan Hajnoczi <stefanha@...hat.com> >>> Applied. >> Hi David: >> >> Any chance that I can have a respin on this patch, there's still a bug >> after this patch. Or I just can send a patch on top? > If I've applied it, there is no reverting. Get it, will send patch on top. Thanks -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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