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authorAxel Lin <axel.lin@ingics.com>2015-02-27 23:44:24 +0800
committerKishon Vijay Abraham I <kishon@ti.com>2015-03-13 17:14:36 +0530
commitecd5fb026d460bf8fb883254fb9bd01a1085c185 (patch)
tree623239b4edc7125e3b903d18bdd2a807ba93d0f6 /drivers/phy/phy-exynos5-usbdrd.c
parent2f1bce487cd0a02623cff3d877940f9a2026341c (diff)
phy: exynos5-usbdrd: Fix off-by-one valid value checking for args->args[0]
Current code uses args->args[0] as array subscript of phy_drd->phys[]. So the valid value range for args->args[0] is 0 ... EXYNOS5_DRDPHYS_NUM - 1. Signed-off-by: Axel Lin <axel.lin@ingics.com> Reviewed by: Vivek Gautam <gautam.vivek@samsung.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'drivers/phy/phy-exynos5-usbdrd.c')
-rw-r--r--drivers/phy/phy-exynos5-usbdrd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/phy/phy-exynos5-usbdrd.c b/drivers/phy/phy-exynos5-usbdrd.c
index 04374018425f..e2a0be750ad9 100644
--- a/drivers/phy/phy-exynos5-usbdrd.c
+++ b/drivers/phy/phy-exynos5-usbdrd.c
@@ -531,7 +531,7 @@ static struct phy *exynos5_usbdrd_phy_xlate(struct device *dev,
{
struct exynos5_usbdrd_phy *phy_drd = dev_get_drvdata(dev);
- if (WARN_ON(args->args[0] > EXYNOS5_DRDPHYS_NUM))
+ if (WARN_ON(args->args[0] >= EXYNOS5_DRDPHYS_NUM))
return ERR_PTR(-ENODEV);
return phy_drd->phys[args->args[0]].phy;