From: David S. Miller <davem@davemloft.net>
Date: Tue, 12 Apr 2011 01:59:05 +0000 (-0700)
Subject: llc: Fix length check in llc_fixup_skb().
X-Git-Tag: v2.6.39-rc5~40^2~25
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aa8673599f1d269b4e4d9b0c0f61fca57bc02699;p=pandora-kernel.git

llc: Fix length check in llc_fixup_skb().

Fixes bugzilla #32872

The LLC stack pretends to support non-linear skbs but there is a
direct use of skb_tail_pointer() in llc_fixup_skb().

Use pskb_may_pull() to see if data_size bytes remain and can be
accessed linearly in the packet, instead of direct pointer checks.

Signed-off-by: David S. Miller <davem@davemloft.net>
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