(FORWARD) James Morris: [PATCH] ip_queue fucked-up oops fix

[Rusty Russell <rusty@xxxxxxxxxxxxxxxx>]

Hi Alexey,

        James looks after the (EXPERIMENTAL) ip_queue netfilter code.
Please apply.

From: James Morris <jmorris@xxxxxxxxxxxxxxxx>
To: Rusty Russell <rusty@xxxxxxxxxxxxxxxx>
Subject: [PATCH] ip_queue fucked-up oops fix

Hi Rusty,

The patch below against 2.3.99-pre2-4 fixes a problem in ip_queue which
can lead to a kernel crash on SMP machines.

diff -ur --exclude=*.[oa] --exclude=.* 
linux-2.3.99-pre2-4/net/ipv4/netfilter/ip_queue.c 
linux/net/ipv4/netfilter/ip_queue.c
--- linux-2.3.99-pre2-4/net/ipv4/netfilter/ip_queue.c   Sat Mar 18 23:22:33 2000
+++ linux/net/ipv4/netfilter/ip_queue.c Sun Mar 19 13:16:43 2000
@@ -491,7 +491,7 @@
        skb = netlink_build_message(e, &status);
        if (skb == NULL)
                return status;
-       return netlink_unicast(nfnl, skb, nlq->peer.pid, 0);
+       return netlink_unicast(nfnl, skb, nlq->peer.pid, MSG_DONTWAIT);
 }
 
 static struct sk_buff *