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authorAmerigo Wang <amwang@redhat.com>2012-08-10 05:24:43 +0400
committerDavid S. Miller <davem@davemloft.net>2012-08-15 01:33:31 +0400
commitd30362c0712eb567334b3b66de7c40d4372f2c6f (patch)
tree5c3951365ed935aaf0e3f745f19b7f0c2012190e /net
parent2899656b494dcd118123af1126826b115c8ea6f9 (diff)
downloadlinux-d30362c0712eb567334b3b66de7c40d4372f2c6f.tar.xz
bridge: add some comments for NETDEV_RELEASE
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>
Diffstat (limited to 'net')
-rw-r--r--net/bridge/br_if.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 171fd6b9bfe6..1c8fdc3558cd 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -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);