From mboxrd@z Thu Jan 1 00:00:00 1970 From: Clemens Ladisch Subject: Re: [PATCH 0/4] ALSA: fireworks/bebob/dice/oxfw: fix kernel oops at unplugging during streaming Date: Sun, 22 Feb 2015 19:49:56 +0100 Message-ID: <54EA24D4.6010808@ladisch.de> References: <1424530500-9116-1-git-send-email-o-takashi@sakamocchi.jp> <54E90F78.7040803@ladisch.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from dehamd003.servertools24.de (dehamd003.servertools24.de [31.47.254.18]) by alsa0.perex.cz (Postfix) with ESMTP id CB24026086A for ; Sun, 22 Feb 2015 19:50:13 +0100 (CET) In-Reply-To: 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: Takashi Iwai 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 Takashi Iwai wrote: > 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? That the driver keeps a reference to the fw_unit even after the device has been unplugged. Regards, Clemens