linux-kernel - Re: [PATCH] USB: serial: drop bogus to_usb_serial

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Date:   Mon, 8 Feb 2021 17:43:01 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Johan Hovold <johan@...nel.org>
Cc:     linux-usb@...r.kernel.org,
        Uwe Kleine-König <uwe@...ine-koenig.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] USB: serial: drop bogus to_usb_serial_port() checks

On Mon, Feb 08, 2021 at 04:48:06PM +0100, Johan Hovold wrote:
> The to_usb_serial_port() macro is implemented using container_of() so
> there's no need to check for NULL.
> 
> Note that neither bus match() or probe() is ever called with a NULL
> struct device pointer so the checks weren't just misplaced.
> 
> Signed-off-by: Johan Hovold <johan@...nel.org>

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