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Date: Tue, 28 Jun 2022 21:12:59 +0800 From: Yang Yingliang <yangyingliang@...wei.com> To: <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>, <linux-renesas-soc@...r.kernel.org> CC: <clement.leger@...tlin.com>, <olteanv@...il.com>, <f.fainelli@...il.com>, <davem@...emloft.net> Subject: [PATCH -next v2] net: pcs-rzn1-miic: fix return value check in miic_probe() On failure, devm_platform_ioremap_resource() returns a ERR_PTR() value and not NULL. Fix return value checking by using IS_ERR() and return PTR_ERR() as error value. Fixes: 7dc54d3b8d91 ("net: pcs: add Renesas MII converter driver") Reported-by: Hulk Robot <hulkci@...wei.com> Signed-off-by: Yang Yingliang <yangyingliang@...wei.com> --- v2: change commit message as Clément suggested. --- drivers/net/pcs/pcs-rzn1-miic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/pcs/pcs-rzn1-miic.c b/drivers/net/pcs/pcs-rzn1-miic.c index 8f5e910f443d..d896961e48cc 100644 --- a/drivers/net/pcs/pcs-rzn1-miic.c +++ b/drivers/net/pcs/pcs-rzn1-miic.c @@ -461,8 +461,8 @@ static int miic_probe(struct platform_device *pdev) spin_lock_init(&miic->lock); miic->dev = dev; miic->base = devm_platform_ioremap_resource(pdev, 0); - if (!miic->base) - return -EINVAL; + if (IS_ERR(miic->base)) + return PTR_ERR(miic->base); ret = devm_pm_runtime_enable(dev); if (ret < 0) -- 2.25.1
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