From: Thomas Pugliese <thomas.pugliese@gmail.com>
Date: Mon, 9 Dec 2013 19:10:41 +0000 (-0600)
Subject: usb: wusbcore: fix short transfers
X-Git-Tag: v3.14-rc1~148^2~130^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7005234c18f233d3613b09e9ce4b6ce6977bf246;p=pandora-kernel.git

usb: wusbcore: fix short transfers

If a URB is broken up into multiple transfer segments and a short
transfer occurs in any segment other than the last, the URB will
currently get stuck in the driver forever.  This patch adds a check for
a short transfer and cleans up any pending segments so the URB can
complete properly.

Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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