[openib-general] [PATCH RFC 25/31] net: Make wireless netlink event generation handle multiple network namespaces
Eric W. Biederman
ebiederm at xmission.com
Thu Jan 25 11:00:27 PST 2007
From: Eric W. Biederman <ebiederm at xmission.com> - unquoted
Signed-off-by: Eric W. Biederman <ebiederm at xmission.com>
---
net/core/wireless.c | 15 ++++++++++-----
1 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/net/core/wireless.c b/net/core/wireless.c
index 9036359..d534617 100644
--- a/net/core/wireless.c
+++ b/net/core/wireless.c
@@ -1934,8 +1934,13 @@ static void wireless_nlevent_process(unsigned long data)
{
struct sk_buff *skb;
- while ((skb = skb_dequeue(&wireless_nlevent_queue)))
- rtnl_notify(skb, init_net(), 0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
+ while ((skb = skb_dequeue(&wireless_nlevent_queue))) {
+ struct net_device *dev = skb->dev;
+ net_t net = dev->nd_net;
+ skb->dev = NULL;
+ rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
+ dev_put(dev);
+ }
}
static DECLARE_TASKLET(wireless_nlevent_tasklet, wireless_nlevent_process, 0);
@@ -1992,9 +1997,6 @@ static inline void rtmsg_iwinfo(struct net_device * dev,
struct sk_buff *skb;
int size = NLMSG_GOODSIZE;
- if (!net_eq(dev->nd_net, init_net()))
- return;
-
skb = alloc_skb(size, GFP_ATOMIC);
if (!skb)
return;
@@ -2004,6 +2006,9 @@ static inline void rtmsg_iwinfo(struct net_device * dev,
kfree_skb(skb);
return;
}
+ /* Remember the device until we are in process context */
+ dev_hold(dev);
+ skb->dev = dev;
NETLINK_CB(skb).dst_group = RTNLGRP_LINK;
skb_queue_tail(&wireless_nlevent_queue, skb);
tasklet_schedule(&wireless_nlevent_tasklet);
--
1.4.4.1.g278f
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