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Date:   Mon, 4 Jan 2021 15:57:51 +0100
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Johan Hovold <johan@kernel.org>
Cc:     linux-usb@vger.kernel.org,
        Dan Carpenter <dan.carpenter@oracle.com>,
        stable <stable@vger.kernel.org>
Subject: Re: [PATCH] USB: serial: iuu_phoenix: fix DMA from stack
Message-ID: <X/Ms7xMPzdgWs8Fx@kroah.com>
References: <20210104145007.28093-1-johan@kernel.org>
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On Mon, Jan 04, 2021 at 03:50:07PM +0100, Johan Hovold wrote:
> Stack-allocated buffers cannot be used for DMA (on all architectures) so
> allocate the flush command buffer using kmalloc().
> 
> Fixes: 60a8fc017103 ("USB: add iuu_phoenix driver")
> Cc: stable <stable@vger.kernel.org>     # 2.6.25
> Signed-off-by: Johan Hovold <johan@kernel.org>

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