On Fri, 9 Jun 2017 15:08:16 +0300
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> Use __sysfs_match_string() helper instead of open coded variant.
>
> Cc: Jonathan Cameron <jic23@xxxxxxxxxx>
> Cc: Lars-Peter Clausen <lars@xxxxxxxxxx>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
A nice little tidy up. I'd missed that function being added.
Applied to the togreg branch of iio.git and pushed out as testing
for the autobuilders to play with.
Jonathan
> ---
> drivers/iio/industrialio-core.c | 13 ++++---------
> 1 file changed, 4 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
> index 4a1de59d153a..15c86a8cd704 100644
> --- a/drivers/iio/industrialio-core.c
> +++ b/drivers/iio/industrialio-core.c
> @@ -478,21 +478,16 @@ ssize_t iio_enum_write(struct iio_dev *indio_dev,
> size_t len)
> {
> const struct iio_enum *e = (const struct iio_enum *)priv;
> - unsigned int i;
> int ret;
>
> if (!e->set)
> return -EINVAL;
>
> - for (i = 0; i < e->num_items; i++) {
> - if (sysfs_streq(buf, e->items[i]))
> - break;
> - }
> -
> - if (i == e->num_items)
> - return -EINVAL;
> + ret = __sysfs_match_string(e->items, e->num_items, buf);
> + if (ret < 0)
> + return ret;
>
> - ret = e->set(indio_dev, chan, i);
> + ret = e->set(indio_dev, chan, ret);
> return ret ? ret : len;
> }
> EXPORT_SYMBOL_GPL(iio_enum_write);
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