Re: [PATCH] phy: fix compiler array bounds warning on settings[]

From: David Miller
Date: Thu Mar 06 2014 - 16:08:07 EST


From: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Date: Tue, 04 Mar 2014 17:35:44 -0700

> With -Werror=array-bounds, gcc v4.7.x warns that in phy_find_valid(), the
> settings[] "array subscript is above array bounds", I think because idx is
> a signed integer and if the caller supplied idx < 0, we pass the guard but
> still reference out of bounds.
>
> Fix this by making idx unsigned here and elsewhere.
>
> Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>

Applied, thanks.
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