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bridge: add some comments for NETDEV_RELEASE

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Add comments on why we don't notify NETDEV_RELEASE.

Cc: David Miller <davem@davemloft.net>
Cc: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amerigo Wang 2012-08-10 01:24:43 +00:00 committed by David S. Miller
parent 2899656b49
commit d30362c071
1 changed files with 4 additions and 0 deletions
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4
net/bridge/br_if.c
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@ -427,6 +427,10 @@ int br_del_if(struct net_bridge *br, struct net_device *dev)
if (!p || p->br != br)
return -EINVAL;
/* Since more than one interface can be attached to a bridge,
* there still maybe an alternate path for netconsole to use;
* therefore there is no reason for a NETDEV_RELEASE event.
*/
del_nbp(p);
spin_lock_bh(&br->lock);