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From: Greg KH <gregkh@linuxfoundation.org>
To: mani@kernel.org
Cc: johan@kernel.org, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org, patong.mxl@gmail.com
Subject: Re: [PATCH v2 1/2] usb: serial: Add MaxLinear/Exar USB to Serial driver
Date: Thu, 30 Apr 2020 08:27:37 +0200	[thread overview]
Message-ID: <20200430062737.GA2376664@kroah.com> (raw)
In-Reply-To: <20200430043636.8468-2-mani@kernel.org>

On Thu, Apr 30, 2020 at 10:06:35AM +0530, mani@kernel.org wrote:
> +	port_priv->idProduct = le16_to_cpu(serial->dev->descriptor.idProduct);
> +
> +	/* XR21V141X specific settings */
> +	if (port_priv->idProduct == XR21V141X_ID) {
> +		port_priv->regs = &xr21v141x_regs;
> +		port_priv->reg_width = 1;
> +	}

Shouldn't you abort here if idProduct does not have this value, as
that's all you test for everywhere else.  Do you even need to have this
test and save the value everywhere at all?

thanks,

greg k-h

  reply	other threads:[~2020-04-30  6:27 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-30  4:36 [PATCH v2 0/2] Add support for MaxLinear/Exar USB to serial converters mani
2020-04-30  4:36 ` [PATCH v2 1/2] usb: serial: Add MaxLinear/Exar USB to Serial driver mani
2020-04-30  6:27   ` Greg KH [this message]
2020-04-30 17:50     ` Manivannan Sadhasivam
2020-04-30  4:36 ` [PATCH v2 2/2] usb: serial: xr_serial: Add gpiochip support mani

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