From: Oliver Neukum <oneukum@suse.de>
Date: Tue, 6 Aug 2013 12:22:59 +0000 (+0200)
Subject: USB: cdc-wdm: fix race between interrupt handler and tasklet
X-Git-Tag: v3.2.52~128
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=512749a57bddcf4252991c0b4ade576bce4365e4;p=pandora-kernel.git

USB: cdc-wdm: fix race between interrupt handler and tasklet

commit 6dd433e6cf2475ce8abec1b467720858c24450eb upstream.

Both could want to submit the same URB. Some checks of the flag
intended to prevent that were missing.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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