On Thu, Mar 20, 2008 at 2:34 PM, Johannes Berg
<johannes@sipsolutions.net> wrote:

quoted text
>  +For some ethernet hardware that cannot DMA to unaligned addresses like
>  +4*n+2 or non-ethernet hardware, this can be a problem, and it is then
>  +required to copy the incoming frame into an aligned buffer. Because this is
>  +unnecessary on architectures that can do unaligned accesses, the code can be
>  +made depend on CONFIG_ARCH_CAN_UNALIGNED_ACCESS like so:
>  +
>  +#ifdef CONFIG_ARCH_CAN_UNALIGNED_ACCESS
>  +       skb = copy skb
>  +#else
>  +       skb = original skb
>  +#endif

Is this logic reversed?
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