On 01/31/2013 09:42 PM, Guenter Roeck wrote:
> The 'name' attribute is mandatory for hwmon devices.
>
> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Wow, that one character patch these crossed with manages to effect
this one as well. Applied with the obvious tiny fix.
Thanks,
> ---
> drivers/staging/iio/iio_hwmon.c | 12 ++++++++++--
> 1 file changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/staging/iio/iio_hwmon.c b/drivers/staging/iio/iio_hwmon.c
> index 5456272..7f260ea 100644
> --- a/drivers/staging/iio/iio_hwmon.c
> +++ b/drivers/staging/iio/iio_hwmon.c
> @@ -55,6 +55,14 @@ static ssize_t iio_hwmon_read_val(struct device *dev,
> return sprintf(buf, "%d\n", result);
> }
>
> +static ssize_t show_name(struct device *dev, struct device_attribute *attr,
> + char *buf)
> +{
> + return sprintf(buf, "iio_hwmon\n");
> +}
> +
> +static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
> +
> static int iio_hwmon_probe(struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> @@ -77,7 +85,7 @@ static int iio_hwmon_probe(struct platform_device *pdev)
> st->num_channels++;
>
> st->attrs = devm_kzalloc(dev,
> - sizeof(st->attrs) * (st->num_channels + 1),
> + sizeof(st->attrs) * (st->num_channels + 2),
> GFP_KERNEL);
> if (st->attrs == NULL) {
> ret = -ENOMEM;
> @@ -125,7 +133,7 @@ static int iio_hwmon_probe(struct platform_device *pdev)
> a->index = i;
> st->attrs[i] = &a->dev_attr.attr;
> }
> -
> + st->attrs[st->num_channels] = &dev_attr_name.attr;
> st->attr_group.attrs = st->attrs;
> platform_set_drvdata(pdev, st);
> ret = sysfs_create_group(&dev->kobj, &st->attr_group);
>
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