linux-kernel - Re: [PATCH 5.4] net: moxa: Use devm_platform_get_and_ioremap

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Message-ID: <YPVyophPac6yjBws@kroah.com>
Date:   Mon, 19 Jul 2021 14:40:02 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Yang Yingliang <yangyingliang@...wei.com>
Cc:     sudipm.mukherjee@...il.com, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org, davem@...emloft.net, sashal@...nel.org
Subject: Re: [PATCH 5.4] net: moxa: Use
 devm_platform_get_and_ioremap_resource()

On Fri, Jul 16, 2021 at 05:32:45PM +0800, Yang Yingliang wrote:
> [ Upstream commit 35cba15a504bf4f585bb9d78f47b22b28a1a06b2 ]
> 
> Use devm_platform_get_and_ioremap_resource() to simplify
> code and avoid a null-ptr-deref by checking 'res' in it.
> 
> [yyl: since devm_platform_get_and_ioremap_resource() is introduced
>       in linux-5.7, so just check the return value after calling
>       platform_get_resource()]
> 
> Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
> Signed-off-by: David S. Miller <davem@...emloft.net>
> ---
>  drivers/net/ethernet/moxa/moxart_ether.c | 4 ++++
>  1 file changed, 4 insertions(+)

Now queued up, thanks.

greg k-h