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net: Fix more stale on-stack list_head objects.

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From: Eric W. Biederman <ebiederm@xmission.com>

In the beginning with batching unreg_list was a list that was used only
once in the lifetime of a network device (I think).  Now we have calls
using the unreg_list that can happen multiple times in the life of a
network device like dev_deactivate and dev_close that are also using the
unreg_list.  In addition in unregister_netdevice_queue we also do a
list_move because for devices like veth pairs it is possible that
unregister_netdevice_queue will be called multiple times.

So I think the change below to fix dev_deactivate which Eric D. missed
will fix this problem.  Now to go test that.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric W. Biederman 2011-02-20 11:49:45 -08:00 committed by David S. Miller
parent 2205a6ea93
commit 5f04d5068a
2 changed files with 2 additions and 0 deletions
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1
net/mac80211/iface.c
View File

@ -1229,6 +1229,7 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local)
}
mutex_unlock(&local->iflist_mtx);
unregister_netdevice_many(&unreg_list);
list_del(&unreg_list);
}
static u32 ieee80211_idle_off(struct ieee80211_local *local,

1
net/sched/sch_generic.c
View File

@ -839,6 +839,7 @@ void dev_deactivate(struct net_device *dev)
list_add(&dev->unreg_list, &single);
dev_deactivate_many(&single);
list_del(&single);
}
static void dev_init_scheduler_queue(struct net_device *dev,