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Date:   Wed, 22 Jan 2020 14:25:05 +0100
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Johan Hovold <johan@kernel.org>
Cc:     linux-usb@vger.kernel.org, stable <stable@vger.kernel.org>
Subject: Re: [PATCH 1/5] USB: serial: ir-usb: add missing endpoint sanity
 check
Message-ID: <20200122132505.GB3580@kroah.com>
References: <20200122101530.29176-1-johan@kernel.org>
 <20200122101530.29176-2-johan@kernel.org>
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On Wed, Jan 22, 2020 at 11:15:26AM +0100, Johan Hovold wrote:
> Add missing endpoint sanity check to avoid dereferencing a NULL-pointer
> on open() in case a device lacks a bulk-out endpoint.
> 
> Note that prior to commit f4a4cbb2047e ("USB: ir-usb: reimplement using
> generic framework") the oops would instead happen on open() if the
> device lacked a bulk-in endpoint and on write() if it lacked a bulk-out
> endpoint.
> 
> Fixes: f4a4cbb2047e ("USB: ir-usb: reimplement using generic framework")
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Cc: stable <stable@vger.kernel.org>
> Signed-off-by: Johan Hovold <johan@kernel.org>

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>