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Date:   Tue, 27 Apr 2021 20:04:56 +0200
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Kangjie Lu <kjlu@umn.edu>, "David S . Miller" <davem@davemloft.net>
Subject: Re: [PATCH 172/190] Revert "net: (cpts) fix a missing check of
 clk_prepare"
Message-ID: <YIhSSEMnGxZfkG94@kroah.com>
References: <20210421130105.1226686-1-gregkh@linuxfoundation.org>
 <20210421130105.1226686-173-gregkh@linuxfoundation.org>
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On Wed, Apr 21, 2021 at 03:00:47PM +0200, Greg Kroah-Hartman wrote:
> This reverts commit 2d822f2dbab7f4c820f72eb8570aacf3f35855bd.
> 
> Commits from @umn.edu addresses have been found to be submitted in "bad
> faith" to try to test the kernel community's ability to review "known
> malicious" changes.  The result of these submissions can be found in a
> paper published at the 42nd IEEE Symposium on Security and Privacy
> entitled, "Open Source Insecurity: Stealthily Introducing
> Vulnerabilities via Hypocrite Commits" written by Qiushi Wu (University
> of Minnesota) and Kangjie Lu (University of Minnesota).
> 
> Because of this, all submissions from this group must be reverted from
> the kernel tree and will need to be re-reviewed again to determine if
> they actually are a valid fix.  Until that work is complete, remove this
> change to ensure that no problems are being introduced into the
> codebase.
> 
> Cc: Kangjie Lu <kjlu@umn.edu>
> Cc: David S. Miller <davem@davemloft.net>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> ---
>  drivers/net/ethernet/ti/cpts.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c
> index 43222a34cba0..60fde1bb9665 100644
> --- a/drivers/net/ethernet/ti/cpts.c
> +++ b/drivers/net/ethernet/ti/cpts.c
> @@ -778,9 +778,7 @@ struct cpts *cpts_create(struct device *dev, void __iomem *regs,
>  		return ERR_CAST(cpts->refclk);
>  	}
>  
> -	ret = clk_prepare(cpts->refclk);
> -	if (ret)
> -		return ERR_PTR(ret);
> +	clk_prepare(cpts->refclk);
>  
>  	cpts->cc.read = cpts_systim_read;
>  	cpts->cc.mask = CLOCKSOURCE_MASK(32);
> -- 
> 2.31.1
> 

Original looks correct, revert now dropped.

greg k-h