From: Clemens Ladisch <clemens@ladisch.de>
Date: Mon, 1 Mar 2010 08:12:50 +0000 (+0100)
Subject: USB: EHCI: fix ITD list order
X-Git-Tag: v2.6.34-rc2~8^2~38
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=92bc3648e6027384479852b770a542722fadee7c;p=pandora-kernel.git

USB: EHCI: fix ITD list order

When isochronous URBs are shorter than one frame and when more than one
ITD in a frame has been completed before the interrupt can be handled,
scan_periodic() completes the URBs in the order in which they are found
in the descriptor list.  Therefore, the descriptor list must contain the
ITDs in the correct order, i.e., a new ITD must be linked in after any
previous ITDs of the same endpoint.

This should fix garbled capture data in the USB audio drivers.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Reported-by: Colin Fletcher <colin.m.fletcher@googlemail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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