linux-kernel - Re: [PATCH 1/4] auxdisplay: ks0108: fix refcount

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Message-ID: <20150729065330.GB4169@sudip-pc>
Date:	Wed, 29 Jul 2015 12:23:31 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Miguel Ojeda Sandonis <miguel.ojeda.sandonis@...il.com>,
	gregkh@...uxfoundation.org
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH 1/4] auxdisplay: ks0108: fix refcount

On Mon, Jul 20, 2015 at 05:27:21PM +0530, Sudip Mukherjee wrote:
> parport_find_base() will implicitly do parport_get_port() which
> increases the refcount. Then parport_register_device() will again
> increment the refcount. But while unloading the module we are only
> doing parport_unregister_device() decrementing the refcount only once.
> We add an parport_put_port() to neutralize the effect of
> parport_get_port().
> 
> Cc: <stable@...r.kernel.org> # 2.6.32+
> Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
> ---
Hi Miguel,
A gentle ping.

regards
sudip
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