Messages in this thread | | | Date | Tue, 16 Sep 2014 16:29:23 -0400 (EDT) | Subject | Re: bisected regression: 3c59x corrupts packets in 3.17-rc5 | From | David Miller <> |
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From: Neil Horman <nhorman@tuxdriver.com> Date: Tue, 16 Sep 2014 06:17:04 -0400
> I'm guessing the above change has uncovered another bug,
Neil, read your patch carefully, I think it added the bug.
The ->page_offset of the frag gets applied two times.
skb_dma_map_frag() already takes frag->page_offset into consideration, you then pass it in as the 'offset' argument and it then gets added to itself to compute th final offset.
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