linux-kernel - Re: [PATCH 4.9 07/30] video: fbdev: simplefb: Check before clk

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Date:   Mon, 26 Sep 2022 18:09:43 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Pavel Machek <pavel@...x.de>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Yihao Han <hanyihao@...o.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Helge Deller <deller@....de>, Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 4.9 07/30] video: fbdev: simplefb: Check before clk_put()
 not needed

On Mon, Sep 26, 2022 at 12:29:26PM +0200, Pavel Machek wrote:
> Hi!
> 
> > From: Yihao Han <hanyihao@...o.com>
> > 
> > [ Upstream commit 5491424d17bdeb7b7852a59367858251783f8398 ]
> > 
> > clk_put() already checks the clk ptr using !clk and IS_ERR()
> > so there is no need to check it again before calling it.
> 
> This does not really fix any bug, so I'd preffer not to have it in
> stable.
> 

Now dropped, thanks.

greg k-h