From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 18 Nov 2013 17:04:58 +0000 (+0000)
Subject: net/compat: Fix minor information leak in siocdevprivate_ioctl()
X-Git-Tag: v3.14-rc1~94^2~622^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=417c3522b3202dacce4873cfb0190459fbce95c5;p=pandora-kernel.git

net/compat: Fix minor information leak in siocdevprivate_ioctl()

We don't need to check that ifr_data itself is a valid user pointer,
but we should check &ifr_data is.  Thankfully the copy of ifr_name is
checked, so this can only leak a few bytes from immediately above the
user address limit.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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