netdev - Re: [PATCH] net: stmmac: fix a potential NULL pointer dereference

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Message-Id: <20190325.171535.433266812521244784.davem@davemloft.net>
Date:   Mon, 25 Mar 2019 17:15:35 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     kjlu@....edu
Cc:     pakki001@....edu, peppe.cavallaro@...com, alexandre.torgue@...com,
        joabreu@...opsys.com, mcoquelin.stm32@...il.com,
        netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: stmmac: fix a potential NULL pointer dereference

From: Kangjie Lu <kjlu@....edu>
Date: Fri, 22 Mar 2019 22:39:42 -0500

> @@ -485,6 +485,8 @@ static int dwc_eth_dwmac_remove(struct platform_device *pdev)
>  	int err;
>  
>  	data = of_device_get_match_data(&pdev->dev);
> +	if (!data)
> +		return -EINVAL;
>  
>  	err = stmmac_dvr_remove(&pdev->dev);
>  	if (err < 0)
> -- 
> 2.17.1
> 

Please show me the entry in dwc_eth_dwmac_driver that has a NULL of_match_table
field.

Otherwise I'm not applying this.