From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Marek Lindner Date: Wed, 2 Feb 2011 20:49:17 +0100 References: <1296352379-1546-2-git-send-email-sven@narfation.org> <1296668238-19323-1-git-send-email-linus.luessing@ascom.ch> In-Reply-To: <1296668238-19323-1-git-send-email-linus.luessing@ascom.ch> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <201102022049.18069.lindner_marek@yahoo.de> Subject: Re: [B.A.T.M.A.N.] [PATCH] Re: batman-adv: Correct rcu refcounting for gw_node Reply-To: The list for a Better Approach To Mobile Ad-hoc Networking List-Id: The list for a Better Approach To Mobile Ad-hoc Networking List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: The list for a Better Approach To Mobile Ad-hoc Networking On Wednesday 02 February 2011 18:37:18 Linus L=C3=BCssing wrote: > So after some more discussions with Marek and Sven, it looks like we > have to use the rcu protected macros rcu_dereference() and > rcu_assign_pointer() for the bat_priv->curr_gw and curr_gw->orig_node. >=20 > Changes here also include moving the kref_get() from unicast_send_skb() > into gw_get_selected(). The orig_node could have been freed already at > the time the kref_get() was called in unicast_send_skb(). I'd suggest you make a standalone patch because the patches address differe= nt=20 problems. Thanks, Marek