From: Alan Stern <stern@rowland.harvard.edu>
Date: Thu, 17 Jan 2013 15:32:16 +0000 (-0500)
Subject: USB: XHCI: fix memory leak of URB-private data
X-Git-Tag: v3.2.39~63
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dfa457e5bc96441991a223cfacab27644edd24d0;p=pandora-kernel.git

USB: XHCI: fix memory leak of URB-private data

commit 48c3375c5f69b1c2ef3d1051a0009cb9bce0ce24 upstream.

This patch (as1640) fixes a memory leak in xhci-hcd.  The urb_priv
data structure isn't always deallocated in the handle_tx_event()
routine for non-control transfers.  The patch adds a kfree() call so
that all paths end up freeing the memory properly.

This patch should be backported to kernels as old as 2.6.36, that
contain the commit 8e51adccd4c4b9ffcd509d7f2afce0a906139f75 "USB: xHCI:
Introduce urb_priv structure"

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Reported-and-tested-by: Martin Mokrejs <mmokrejs@fold.natur.cuni.cz>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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