Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 8 Jul 2002 19:49:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 8 Jul 2002 19:49:40 -0400 Received: from pD9E238F8.dip.t-dialin.net ([217.226.56.248]:17626 "EHLO hawkeye.luckynet.adm") by vger.kernel.org with ESMTP id ; Mon, 8 Jul 2002 19:49:39 -0400 Date: Mon, 8 Jul 2002 17:52:13 -0600 (MDT) From: Thunder from the hill X-X-Sender: thunder@hawkeye.luckynet.adm To: Keith Owens cc: Patrick Mochel , Subject: Re: Driverfs updates In-Reply-To: <21467.1026171204@ocs3.intra.ocs.com.au> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1119 Lines: 40 Hi, On Tue, 9 Jul 2002, Keith Owens wrote: > struct device_driver * get_driver(struct device_driver * drv) > { + struct device_driver *ret = NULL; + + if (!drv) + goto out; + lock_somehow(drv->lock); + if (drv->owner) > if (!try_inc_mod_count(drv->owner)) + goto out; + + ret = drv; + out: + unlock_somehow(drv->lock); + return ret; > } > > I suggest you add a global driverfs_lock. Better than locking all kernel threads, isn't it? Regards, Thunder -- (Use http://www.ebb.org/ungeek if you can't decode) ------BEGIN GEEK CODE BLOCK------ Version: 3.12 GCS/E/G/S/AT d- s++:-- a? C++$ ULAVHI++++$ P++$ L++++(+++++)$ E W-$ N--- o? K? w-- O- M V$ PS+ PE- Y- PGP+ t+ 5+ X+ R- !tv b++ DI? !D G e++++ h* r--- y- ------END GEEK CODE BLOCK------ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/