linux-kernel - Re: [PATCH 05/12] staging: mei: adding watchdog ping

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Date:	Wed, 31 Aug 2011 19:52:24 +0300
From:	Dan Carpenter <error27@...il.com>
To:	Oren Weil <oren.jer.weil@...el.com>
Cc:	gregkh@...e.de, devel@...verdev.osuosl.org,
	linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
	tomas.winkler@...el.com, alan@...ux.intel.com
Subject: Re: [PATCH 05/12] staging: mei: adding watchdog ping

On Wed, Aug 31, 2011 at 04:42:41PM +0300, Oren Weil wrote:
> +static int mei_wd_ops_ping(struct watchdog_device *wd_dev)
> +{
> +	int ret = 0;
> +	struct mei_device *dev;
> +	dev = pci_get_drvdata(mei_device);
> +
> +	if (!dev)
> +		return -ENODEV;
> +
> +	mutex_lock(&dev->device_lock);
> +
> +	if (dev->wd_cl.state != MEI_FILE_CONNECTED) {
> +		dev_dbg(&dev->pdev->dev, "wd is not connected.\n");
> +		ret = -ENODEV;
> +		goto end;
> +	}
> +
> +	/* Check if we can send the ping to HW*/
> +	if (dev->mei_host_buffer_is_empty &&
> +		mei_flow_ctrl_creds(dev, &dev->wd_cl) > 0) {
> +			dev->mei_host_buffer_is_empty = false;
        ^^^^^^^^^^^^^^^^

This is a two tab indent.  Don't do that.

regards,
dan carpenter

> +			dev_dbg(&dev->pdev->dev, "sending watchdog ping\n");
> +
> +			if (mei_wd_send(dev)) {
> +				dev_dbg(&dev->pdev->dev, "wd send failed.\n");
> +				ret = -EIO;
> +				goto end;
> +			}
> +
> +			if (mei_flow_ctrl_reduce(dev, &dev->wd_cl)) {
> +				dev_dbg(&dev->pdev->dev, "mei_flow_ctrl_reduce() failed.\n");
> +				ret = -EIO;
> +				goto end;
> +			}
> +
> +		} else {
> +			dev->wd_pending = true;
> +		}
> +
> +end:
> +	mutex_unlock(&dev->device_lock);
> +	return ret;
> +}


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