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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.
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