linux-kernel - Re: [PATCH v2 06/15] leds: trigger: blkdev: Add function to get gendisk by name

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Date:   Fri, 10 Sep 2021 17:23:01 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Ian Pilcher <arequipeno@...il.com>
Cc:     axboe@...nel.dk, pavel@....cz, linux-leds@...r.kernel.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        kabel@...nel.org
Subject: Re: [PATCH v2 06/15] leds: trigger: blkdev: Add function to get
 gendisk by name

On Fri, Sep 10, 2021 at 10:17:03AM -0500, Ian Pilcher wrote:
> On 9/10/21 1:45 AM, Greg KH wrote:
> > You now have bumped the reference count on this structure.  Where do you
> > decrement it when you are finished with it?
> 
> That happens when I "unlink" the block device from the LED in
> blkdev_disk_unlink_locked() at ledtrig-blkdev.c:410.

I have no context here anymore, so I have no idea if this is really true
:(