From: "Kris Katterjohn" <[EMAIL PROTECTED]>
Date: Fri, 6 Jan 2006 17:25:32 -0800

> So the whole thing is wrong? If so, I guess I understand why it was
> done the way it was before.

It's using the local variable in the parent function as a temporary
scratch area if the SKB isn't linear and we need to copy the packet
data out from the scatter-gather list of the SKB.

Read the implementation of skb_header_pointer() and be confused
no further.
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