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authorAxel Lin <axel.lin@ingics.com>2015-03-02 16:10:54 +0800
committerKishon Vijay Abraham I <kishon@ti.com>2015-03-12 11:01:16 +0530
commit1cbdfc48c3d4064e2515e4d837e714fd1aaa2d6e (patch)
treee16009bb682b20f6e4db74d1df62d7067666ea09
parent0f9722e37f8359e228f4c04e6822ad0bf9a4e083 (diff)
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phy: hix5hd2-sata: Check return value of platform_get_resource
This prevent NULL pointer dereference if res is NULL. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Zhangfei Gao <zhangfei.gao@linaro.org> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
-rw-r--r--drivers/phy/phy-hix5hd2-sata.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/phy/phy-hix5hd2-sata.c b/drivers/phy/phy-hix5hd2-sata.c
index 34915b4202f1..d6b22659cac1 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;