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Re: [NETLINK] Don't attach callback to a going-away netlink socket [message #12156 is a reply to message #12153]

Wed, 18 April 2007 09:29

Evgeniy Polyakov
Messages: 11
Registered: November 2006

Junior Member

On Wed, Apr 18, 2007 at 11:16:50AM +0200, Patrick McHardy (kaber@trash.net) wrote:
> > That is what I referred to as error path. Btw, with positive return
> > value we end up in subsequent call to input which will free callback
> > under lock as expected.
>
>
> No, nothing is going to call netlink_dump after the initial call since
> the socket is gone.

Argh, userspace socket's sk_data_rady() if dump returned positive value.
So, callback is not freed to allow to put several pages before
NLMSG_DONE via single dump?

--
Evgeniy Polyakov

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[Message index]

		[NETLINK] Don't attach callback to a going-away netlink socket By: xemul on Wed, 18 April 2007 08:12
		Re: [NETLINK] Don't attach callback to a going-away netlink socket By: Evgeniy Polyakov on Wed, 18 April 2007 08:17
		Re: [NETLINK] Don't attach callback to a going-away netlink socket By: Patrick McHardy on Wed, 18 April 2007 08:26
		Re: [NETLINK] Don't attach callback to a going-away netlink socket By: Evgeniy Polyakov on Wed, 18 April 2007 08:42
		Re: [NETLINK] Don't attach callback to a going-away netlink socket By: Patrick McHardy on Wed, 18 April 2007 08:50
		Re: [NETLINK] Don't attach callback to a going-away netlink socket By: Evgeniy Polyakov on Wed, 18 April 2007 09:07
		Re: [NETLINK] Don't attach callback to a going-away netlink socket By: Patrick McHardy on Wed, 18 April 2007 09:16
		Re: [NETLINK] Don't attach callback to a going-away netlink socket By: Evgeniy Polyakov on Wed, 18 April 2007 09:29
		Re: [NETLINK] Don't attach callback to a going-away netlink socket By: xemul on Wed, 18 April 2007 08:27
		Re: [NETLINK] Don't attach callback to a going-away netlink socket By: Evgeniy Polyakov on Wed, 18 April 2007 08:44
		Re: [NETLINK] Don't attach callback to a going-away netlink socket By: xemul on Wed, 18 April 2007 08:59
		Re: [NETLINK] Don't attach callback to a going-away netlink socket By: Evgeniy Polyakov on Wed, 18 April 2007 09:14
		Re: [NETLINK] Don't attach callback to a going-away netlink socket By: davem on Thu, 19 April 2007 00:06
		Re: [NETLINK] Don't attach callback to a going-away netlink socket By: Herbert Xu on Thu, 19 April 2007 02:13
		Re: [NETLINK] Don't attach callback to a going-away netlink socket By: davem on Sun, 29 April 2007 06:18
		Re: [NETLINK] Don't attach callback to a going-away netlink socket By: Herbert Xu on Wed, 02 May 2007 04:12
		Re: [NETLINK] Don't attach callback to a going-away netlink socket By: davem on Thu, 03 May 2007 10:17

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