From: Mathias Krause <minipli@googlemail.com>
Date: Mon, 30 Sep 2013 20:03:07 +0000 (+0200)
Subject: connector: use nlmsg_len() to check message length
X-Git-Tag: v3.2.53~75
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c92d60f0b331feafbf42a33aa6e17cdc2d7448c9;p=pandora-kernel.git

connector: use nlmsg_len() to check message length

[ Upstream commit 162b2bedc084d2d908a04c93383ba02348b648b0 ]

The current code tests the length of the whole netlink message to be
at least as long to fit a cn_msg. This is wrong as nlmsg_len includes
the length of the netlink message header. Use nlmsg_len() instead to
fix this "off-by-NLMSG_HDRLEN" size check.

Cc: stable@vger.kernel.org  # v2.6.14+
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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