From: Alan Stern <stern@rowland.harvard.edu>
Date: Sat, 6 Mar 2010 20:04:03 +0000 (-0500)
Subject: USB: fix usbfs regression
X-Git-Tag: v2.6.27.46~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aaaa549b386fdd80b93b447541f42b313b103f95;p=pandora-kernel.git

USB: fix usbfs regression

commit 7152b592593b9d48b33f8997b1dfd6df9143f7ec upstream.

This patch (as1352) fixes a bug in the way isochronous input data is
returned to userspace for usbfs transfers.  The entire buffer must be
copied, not just the first actual_length bytes, because the individual
packets will be discontiguous if any of them are short.

Reported-by: Markus Rechberger <mrechberger@gmail.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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