linux-kernel - Re: [alsa-devel] [RFC PATCH 5/7] soundwire: add debugfs support

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Message-ID: <20190507055608.GC17986@kroah.com>
Date:   Tue, 7 May 2019 07:56:08 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        alsa-devel@...a-project.org, tiwai@...e.de,
        linux-kernel@...r.kernel.org, liam.r.girdwood@...ux.intel.com,
        broonie@...nel.org, srinivas.kandagatla@...aro.org,
        jank@...ence.com, joe@...ches.com,
        Sanyog Kale <sanyog.r.kale@...el.com>
Subject: Re: [alsa-devel] [RFC PATCH 5/7] soundwire: add debugfs support

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?