Re: [PATCH 1/2] HID: hid-sensor-hub: Return error for hid_set_field() failure

[Jonathan Cameron]

On Thu, 15 Apr 2021 11:52:31 -0700
Srinivas Pandruvada <srinivas.pandruv...@linux.intel.com> wrote:

> In the function sensor_hub_set_feature(), return error when hid_set_field()
> fails.
> 
> Signed-off-by: Srinivas Pandruvada <srinivas.pandruv...@linux.intel.com>
Series applied to the to greg branch of iio.git.  Note these won't make the
coming merge window, so will turn up in next sometime after rc1.

thanks,

Jonathan

> ---
>  drivers/hid/hid-sensor-hub.c | 13 +++++++++----
>  1 file changed, 9 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
> index 3dd7d3246737..f9983145d4e7 100644
> --- a/drivers/hid/hid-sensor-hub.c
> +++ b/drivers/hid/hid-sensor-hub.c
> @@ -210,16 +210,21 @@ int sensor_hub_set_feature(struct hid_sensor_hub_device 
> *hsdev, u32 report_id,
>       buffer_size = buffer_size / sizeof(__s32);
>       if (buffer_size) {
>               for (i = 0; i < buffer_size; ++i) {
> -                     hid_set_field(report->field[field_index], i,
> -                                   (__force __s32)cpu_to_le32(*buf32));
> +                     ret = hid_set_field(report->field[field_index], i,
> +                                         (__force __s32)cpu_to_le32(*buf32));
> +                     if (ret)
> +                             goto done_proc;
> +
>                       ++buf32;
>               }
>       }
>       if (remaining_bytes) {
>               value = 0;
>               memcpy(&value, (u8 *)buf32, remaining_bytes);
> -             hid_set_field(report->field[field_index], i,
> -                           (__force __s32)cpu_to_le32(value));
> +             ret = hid_set_field(report->field[field_index], i,
> +                                 (__force __s32)cpu_to_le32(value));
> +             if (ret)
> +                     goto done_proc;
>       }
>       hid_hw_request(hsdev->hdev, report, HID_REQ_SET_REPORT);
>       hid_hw_wait(hsdev->hdev);