From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 7 Feb 2013 07:24:49 +0000 (-0300)
Subject: [media] dvb-usb: check for invalid length in ttusb_process_muxpack()
X-Git-Tag: v3.9-rc1~93^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bf5bbed15c41228ea1abbb8d3931050922bfc37f;p=pandora-kernel.git

[media] dvb-usb: check for invalid length in ttusb_process_muxpack()

This patch is driven by a static checker warning.
The ttusb_process_muxpack() function is only called from
ttusb_process_frame().  Before calling, it verifies that len >= 2.  The
problem is that len == 2 is not valid and would lead to an array
underflow.
Odd number values for len are also invalid and would lead to reading
past the end of the array.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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