From: Patrick McHardy <kaber@trash.net>
To: Thomas Graf <tgraf@suug.ch>
Cc: davem@davemloft.net, netdev@vger.kernel.org
Subject: Re: [PATCH 5/5] [NETLINK]: Ignore control messages directly in netlink_run_queue()
Date: Wed, 21 Mar 2007 05:44:24 +0100 [thread overview]
Message-ID: <4600B828.1050801@trash.net> (raw)
In-Reply-To: <20070321001900.885191779@lsx.localdomain>
Thomas Graf wrote:
> Changes netlink_rcv_skb() to skip netlink controll messages and don't
> pass them on to the message handler.
>
> Signed-off-by: Thomas Graf <tgraf@suug.ch>
>
> Index: net-2.6.22/net/netlink/af_netlink.c
> ===================================================================
> --- net-2.6.22.orig/net/netlink/af_netlink.c 2007-03-21 01:17:13.000000000 +0100
> +++ net-2.6.22/net/netlink/af_netlink.c 2007-03-21 01:17:46.000000000 +0100
> @@ -1479,6 +1479,10 @@ static int netlink_rcv_skb(struct sk_buf
> if (!(nlh->nlmsg_flags & NLM_F_REQUEST))
> goto skip;
>
> + /* Skip control messages */
> + if (nlh->nlmsg_type < NLMSG_MIN_TYPE)
> + goto skip;
> +
This looks like it would break nfnetlink, which appears to be
using 0 as smallest message type.
next prev parent reply other threads:[~2007-03-21 4:44 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-21 0:18 [PATCH 0/5] [PATCHSET] Netlink Patches Thomas Graf
2007-03-21 0:18 ` [PATCH 1/5] [TCP] vegas: Use type safe netlink interface Thomas Graf
2007-03-21 0:18 ` [PATCH 2/5] [TCP] westwood: " Thomas Graf
2007-03-21 0:18 ` [PATCH 3/5] [NETLINK]: Remove unused groups variable Thomas Graf
2007-03-21 0:18 ` [PATCH 4/5] [NETLINK]: Ignore !NLM_F_REQUEST messages directly in netlink_run_queue() Thomas Graf
2007-03-21 12:33 ` [NETFILTER] nfnetlink: netlink_run_queue() already checks for NLM_F_REQUEST Thomas Graf
2007-03-21 12:37 ` Patrick McHardy
2007-03-21 0:18 ` [PATCH 5/5] [NETLINK]: Ignore control messages directly in netlink_run_queue() Thomas Graf
2007-03-21 4:44 ` Patrick McHardy [this message]
2007-03-21 11:45 ` Thomas Graf
2007-03-21 11:59 ` Thomas Graf
2007-03-21 12:06 ` Patrick McHardy
2007-03-21 12:21 ` Patrick McHardy
2007-03-21 12:25 ` Thomas Graf
2007-03-21 12:25 ` Thomas Graf
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