From mboxrd@z Thu Jan  1 00:00:00 1970
From: Greg KH <gregkh@linuxfoundation.org>
Subject: Re: [alsa-devel] [RFC PATCH 5/7] soundwire: add debugfs support
Date: Tue, 7 May 2019 07:56:08 +0200
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To: Vinod Koul <vkoul@kernel.org>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>, alsa-devel@alsa-project.org, tiwai@suse.de, linux-kernel@vger.kernel.org, liam.r.girdwood@linux.intel.com, broonie@kernel.org, srinivas.kandagatla@linaro.org, jank@cadence.com, joe@perches.com, Sanyog Kale <sanyog.r.kale@intel.com>
List-Id: alsa-devel@alsa-project.org

On Mon, May 06, 2019 at 10:08:10PM +0530, Vinod Koul wrote:
> Yes, but then device exit routine is supposed to do debugfs cleanup as
> well, so that would ensure these references are dropped at that point of
> time. Greg should that not take care of it or we *should* always do
> refcounting.

Always do refcounting.  How else can you "guarantee" that it is safe?