diff mbox

[07/15] bridge: add some comments for NETDEV_RELEASE

Message ID 1344597891-32242-8-git-send-email-amwang@redhat.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Amerigo Wang Aug. 10, 2012, 11:24 a.m. UTC 
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>
---
 net/bridge/br_if.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
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Patch

diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 171fd6b..1c8fdc3 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);