From: Satyam Sharma <[EMAIL PROTECTED]> Date: Wed, 04 Jul 2007 16:36:41 +0530
> From: Satyam Sharma <[EMAIL PROTECTED]> > > [1/1] netpoll: Fix a leak-n-bug in netpoll_cleanup() > > 93ec2c723e3f8a216dde2899aeb85c648672bc6b applied excessive duct tape to > the netpoll beast's netpoll_cleanup(), thus substituting one leak with > another, and opening up a little buglet :-) > > net_device->npinfo (netpoll_info) is a shared and refcounted object and > cannot simply be set NULL the first time netpoll_cleanup() is called. > Otherwise, further netpoll_cleanup()'s see np->dev->npinfo == NULL and > become no-ops, thus leaking. And it's a bug too: the first call to > netpoll_cleanup() would thus (annoyingly) "disable" other (still alive) > netpolls too. Maybe nobody noticed this because netconsole (only user > of netpoll) never supported multiple netpoll objects earlier. > > This is a trivial and obvious one-line fixlet. > > Signed-off-by: Satyam Sharma <[EMAIL PROTECTED]> Applied to net-2.6.23, I'll forward this on to -stable too. Thanks. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html