Re: [PATCH 2.6 2/5]: refcount qdisc->dev
From: David S. Miller <hidden>
Date: 2004-08-04 16:36:04
On Tue, 03 Aug 2004 17:22:36 +0200 Patrick McHardy [off-list ref] wrote:
This patch adds refcounting for qdisc->dev to avoid accessing freed memory from the __qdisc_destroy rcu-callback when the device is unregistered. Without refcounting netdev_wait_allrefs could free the device before __qdisc_destroy is done.
We do need this. Applied, thanks Patrick.