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Date:	Fri, 8 Jun 2007 08:54:52 +1000
From:	Herbert Xu <>
To:	"David S. Miller" <>,
	Andrew Morton <>
Cc:	Joseph Fannin <>,,,
Subject: Re: 2.6.22-rc4-mm2: Assigning IP address fails

On Thu, Jun 07, 2007 at 03:06:53PM -0700, Andrew Morton wrote:
> >     I'm not able to bring an ethernet interface down and back up again
> > with this if avahi-autoipd is installed on my Ubuntu boxes.  I've seen
> > it on three different computers with different NIC hardware.

Sorry, it was my patch.  This patch should fix it.

[IPV4]: Do not remove idev when addresses are cleared

Now that we create idev before addresses are added, it no longer makes
sense to remove them when addresses are all deleted.

Signed-off-by: Herbert Xu <>

Visit Openswan at
Email: Herbert Xu ~{PmV>HI~} <>
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diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 354e800..0cf813f 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -327,12 +327,8 @@ static void __inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap,
-	if (destroy) {
+	if (destroy)
-		if (!in_dev->ifa_list)
-			inetdev_destroy(in_dev);
-	}
 static void inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap,
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