Re: [PATCH 1/4] sparc: _sparc_find_resource() should check forexact matches

From: David Miller
Date: Mon May 23 2011 - 02:47:16 EST


From: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Date: Sat, 21 May 2011 21:39:13 +0200

> The address that's passed to _sparc_find_resource() should always be the
> start address of a resource:
> - iounmap() passes a page-aligned virtual address, while the original
> address was created by adding the in-page offset to the resource's
> start address,
> - sbus_free_coherent() and pci32_free_coherent() should be passed an
> address obtained from sbus_alloc_coherent() resp. pci32_alloc_coherent(),
> which is always a resource's start address.
>
> Hence replace the range check by a check for an exact match.
>
> Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>

Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
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