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Date: Fri, 13 Mar 2015 17:31:46 +0530 From: Kishon Vijay Abraham I <kishon@...com> To: <gregkh@...uxfoundation.org> CC: <kishon@...com>, <linux-kernel@...r.kernel.org> Subject: [PATCH 09/20] phy: hix5hd2-sata: Check return value of platform_get_resource From: Axel Lin <axel.lin@...ics.com> This prevent NULL pointer dereference if res is NULL. Signed-off-by: Axel Lin <axel.lin@...ics.com> Acked-by: Zhangfei Gao <zhangfei.gao@...aro.org> Signed-off-by: Kishon Vijay Abraham I <kishon@...com> --- drivers/phy/phy-hix5hd2-sata.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/phy/phy-hix5hd2-sata.c b/drivers/phy/phy-hix5hd2-sata.c index 34915b4..d6b2265 100644 --- a/drivers/phy/phy-hix5hd2-sata.c +++ b/drivers/phy/phy-hix5hd2-sata.c @@ -147,6 +147,9 @@ static int hix5hd2_sata_phy_probe(struct platform_device *pdev) return -ENOMEM; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -EINVAL; + priv->base = devm_ioremap(dev, res->start, resource_size(res)); if (!priv->base) return -ENOMEM; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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