Messages in this thread | | | From | Vivek Gautam <> | Subject | Re: [PATCH] phy: exynos5-usbdrd: Fix off-by-one valid value checking for args->args[0] | Date | Mon, 02 Mar 2015 16:41:41 +0530 |
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Hi,
On Friday, February 27, 2015 9:14 PM "Axel Lin" <axel.lin@ingics.com> wrote: > 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>
> --- > drivers/phy/phy-exynos5-usbdrd.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/phy/phy-exynos5-usbdrd.c > b/drivers/phy/phy-exynos5-usbdrd.c > index 0437401..e2a0be7 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; > -- > 1.9.1 >
BRs Vivek
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