On Thu, 14 Aug 2014, Simon Wood wrote:
> If the device data is not accessible for some reason, returning 0 will cause the call to be
> continuously called again as none of the string has been 'consumed'.
>
> Signed-off-by: Simon Wood <simon@xxxxxxxxxxxxx>
> ---
> drivers/hid/hid-lg4ff.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c
> index cc2bd20..7835717 100644
> --- a/drivers/hid/hid-lg4ff.c
> +++ b/drivers/hid/hid-lg4ff.c
> @@ -451,13 +451,13 @@ static ssize_t lg4ff_range_store(struct device *dev, struct device_attribute *at
> drv_data = hid_get_drvdata(hid);
> if (!drv_data) {
> hid_err(hid, "Private driver data not found!\n");
> - return 0;
> + return -EINVAL;
> }
>
> entry = drv_data->device_props;
> if (!entry) {
> hid_err(hid, "Device properties not found!\n");
> - return 0;
> + return -EINVAL;
> }
>
Queued for 3.17, thanks Simon.
--
Jiri Kosina
SUSE Labs
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