From mboxrd@z Thu Jan  1 00:00:00 1970
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: base64
Subject: usb: dwc3: of-simple: fix use-after-free on remove
From: Roger Quadros <rogerq@ti.com>
Message-Id: <cf359e3a-34bc-7272-5346-bc4e679c5b19@ti.com>
Date: Mon, 18 Jun 2018 17:32:03 +0300
To: Felipe Balbi <balbi@kernel.org>, Johan Hovold <johan@kernel.org>, Tero Kristo <t-kristo@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Alan Stern <stern@rowland.harvard.edu>, linux-usb@vger.kernel.org, "Nori, Sekhar" <nsekhar@ti.com>, Grygorii Strashko <grygorii.strashko@ti.com>, Tony Lindgren <tony@atomide.com>, Nishanth Menon <nm@ti.com>
List-ID: <linux-usb.vger.kernel.org>
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