netdev - [PATCH 07/14] bridge: add some comments for NETDEV

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Message-Id: <1344582637-18261-8-git-send-email-amwang@redhat.com>
Date:	Fri, 10 Aug 2012 15:10:30 +0800
From:	Cong Wang <amwang@...hat.com>
To:	netdev@...r.kernel.org
Cc:	Cong Wang <amwang@...hat.com>, David Miller <davem@...emloft.net>,
	Stephen Hemminger <shemminger@...tta.com>
Subject: [PATCH 07/14] bridge: add some comments for NETDEV_RELEASE

Add comments on why we don't notify NETDEV_RELEASE.

Cc: David Miller <davem@...emloft.net>
Cc: Stephen Hemminger <shemminger@...tta.com>
Signed-off-by: Cong Wang <amwang@...hat.com>
---
 net/bridge/br_if.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

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);
-- 
1.7.7.6

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