From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: patch kobj-send-hotplug-events-in-the-proper-namespace.patch added to gregkh-2.6 tree Date: Thu, 20 May 2010 11:10:37 -0700 Message-ID: <1274379037308@kroah.org> References: <1273019809-16472-4-git-send-email-ebiederm@xmission.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit To: ebiederm@xmission.com, bcrl@lhnet.ca, cornelia.huck@de.ibm.com, davem@davemloft.net, eric.dumazet@gmail.com, gregkh@suse.de, kay.sievers@vrfy.org, netdev@vger.kernel.org, serue@us.ibm. Return-path: Received: from kroah.org ([198.145.64.141]:43220 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756997Ab0ETSKw (ORCPT ); Thu, 20 May 2010 14:10:52 -0400 In-Reply-To: <1273019809-16472-4-git-send-email-ebiederm@xmission.com> Sender: netdev-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled Subject: kobj: Send hotplug events in the proper namespace. to my gregkh-2.6 tree. Its filename is kobj-send-hotplug-events-in-the-proper-namespace.patch This tree can be found at http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/patches/ >>From ebiederm@xmission.com Thu May 20 10:44:38 2010 From: "Eric W. Biederman" Date: Tue, 4 May 2010 17:36:47 -0700 Subject: kobj: Send hotplug events in the proper namespace. To: Greg Kroah-Hartman Cc: Kay Sievers , linux-kernel@vger.kernel.org, Tejun Heo , Cornelia Huck , Eric Dumazet , Benjamin LaHaise , Serge Hallyn , , David Miller , "Eric W. Biederman" Message-ID: <1273019809-16472-4-git-send-email-ebiederm@xmission.com> From: Eric W. Biederman Utilize netlink_broacast_filtered to allow sending hotplug events in the proper namespace. Signed-off-by: Eric W. Biederman Acked-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- lib/kobject_uevent.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) --- a/lib/kobject_uevent.c +++ b/lib/kobject_uevent.c @@ -83,6 +83,22 @@ out: return ret; } +static int kobj_bcast_filter(struct sock *dsk, struct sk_buff *skb, void *data) +{ + struct kobject *kobj = data; + const struct kobj_ns_type_operations *ops; + + ops = kobj_ns_ops(kobj); + if (ops) { + const void *sock_ns, *ns; + ns = kobj->ktype->namespace(kobj); + sock_ns = ops->netlink_ns(dsk); + return sock_ns != ns; + } + + return 0; +} + /** * kobject_uevent_env - send an uevent with environmental data * @@ -244,8 +260,10 @@ int kobject_uevent_env(struct kobject *k } NETLINK_CB(skb).dst_group = 1; - retval = netlink_broadcast(uevent_sock, skb, 0, 1, - GFP_KERNEL); + retval = netlink_broadcast_filtered(uevent_sock, skb, + 0, 1, GFP_KERNEL, + kobj_bcast_filter, + kobj); /* ENOBUFS should be handled in userspace */ if (retval == -ENOBUFS) retval = 0;