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| author | Axel Lin <axel.lin@ingics.com> | 2015-03-02 16:10:54 +0800 |
|---|---|---|
| committer | Kishon Vijay Abraham I <kishon@ti.com> | 2015-03-12 11:01:16 +0530 |
| commit | 1cbdfc48c3d4064e2515e4d837e714fd1aaa2d6e (patch) | |
| tree | e16009bb682b20f6e4db74d1df62d7067666ea09 | |
| parent | 0f9722e37f8359e228f4c04e6822ad0bf9a4e083 (diff) | |
| download | linux-1cbdfc48c3d4064e2515e4d837e714fd1aaa2d6e.tar.gz linux-1cbdfc48c3d4064e2515e4d837e714fd1aaa2d6e.tar.bz2 linux-1cbdfc48c3d4064e2515e4d837e714fd1aaa2d6e.zip | |
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.c | 3 |
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; |