From: Ben Hutchings <bhutchings@solarflare.com>
Date: Tue, 17 Jan 2012 07:57:56 +0000 (+0000)
Subject: net: WARN if skb_checksum_help() is called on skb requiring segmentation
X-Git-Tag: v3.3-rc1~17^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=36c92474498ad6cc3afb24b91a67a444d79978fe;p=pandora-kernel.git

net: WARN if skb_checksum_help() is called on skb requiring segmentation

skb_checksum_help() has never done anything useful with skbs that
require segmentation.  Setting skb->ip_summed = CHECKSUM_NONE makes
them invalid and provokes a later WARNing in skb_gso_segment().

Passing such an skb to skb_checksum_help() indicates a bug, so we
should warn about it immediately.  Move the warning from
skb_gso_segment() into a shared function, and add gso_type and
gso_size to it.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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