From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: [PATCH 0/4] ALSA: fireworks/bebob/dice/oxfw: fix kernel oops at unplugging during streaming Date: Sun, 22 Feb 2015 18:36:00 +0100 Message-ID: References: <1424530500-9116-1-git-send-email-o-takashi@sakamocchi.jp> <54E90F78.7040803@ladisch.de> Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by alsa0.perex.cz (Postfix) with ESMTP id B3FC72607E9 for ; Sun, 22 Feb 2015 18:36:02 +0100 (CET) In-Reply-To: <54E90F78.7040803@ladisch.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Clemens Ladisch Cc: alsa-devel@alsa-project.org, linux1394-devel@lists.sourceforge.net, ffado-devel@lists.sf.net, Takashi Sakamoto List-Id: alsa-devel@alsa-project.org At Sun, 22 Feb 2015 00:06:32 +0100, Clemens Ladisch wrote: > > Takashi Sakamoto wrote: > > With this patchset, each driver keeps a reference to FireWire unit till > > all of ALSA applications close its character devices. This may be against > > IEEE 1394 bus driver developers' expectation to high-level drivers. > > The fw_unit reference counting was designed for situations like this. "This" means which? Takashi