From: Felipe Balbi <balbi@ti.com>
Date: Tue, 2 Jul 2013 07:50:15 +0000 (+0300)
Subject: usb: clamp bInterval to allowed range
X-Git-Tag: v3.12-rc1~186^2~151
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=42189d854f174e7b29e0fdb4da9984ba63126a92;p=pandora-kernel.git

usb: clamp bInterval to allowed range

bInterval must be within the range 1 - 16
when running at High/Super speed, and within
the range 1 - 255 when running at Full/Low speed.

In order to catch drivers passing a too
large bInterval on Super/High speed scenarios
(thus overflowing urb->interval), let's clamp()
the argument to the allowed ranges.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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