Re: [PATCH 1/1] leds: blinkm: Remove unused variable

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On Tue, Jul 1, 2014 at 5:07 AM, Sachin Kamat <sachin.kamat@xxxxxxxxxxx> wrote:
> 'ret' is not used in the function. Remove it.
>

Removing it is easy but I guess we should check the return error status here.
Jan-Simon, what's your opinion then?

Thanks,
-Bryan

> Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxxx>
> ---
>  drivers/leds/leds-blinkm.c |    8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/leds/leds-blinkm.c b/drivers/leds/leds-blinkm.c
> index d0452b099aee..f07f920ac0ac 100644
> --- a/drivers/leds/leds-blinkm.c
> +++ b/drivers/leds/leds-blinkm.c
> @@ -441,14 +441,13 @@ static int blinkm_transfer_hw(struct i2c_client *client, int cmd)
>
>  static void led_work(struct work_struct *work)
>  {
> -       int ret;
>         struct blinkm_led *led;
>         struct blinkm_data *data;
>         struct blinkm_work *blm_work = work_to_blmwork(work);
>
>         led = blm_work->blinkm_led;
>         data = i2c_get_clientdata(led->i2c_client);
> -       ret = blinkm_transfer_hw(led->i2c_client, BLM_GO_RGB);
> +       blinkm_transfer_hw(led->i2c_client, BLM_GO_RGB);
>         atomic_dec(&led->active);
>         dev_dbg(&led->i2c_client->dev,
>                         "# DONE # next_red = %d, next_green = %d,"
> @@ -546,9 +545,8 @@ static void blinkm_led_blue_set(struct led_classdev *led_cdev,
>
>  static void blinkm_init_hw(struct i2c_client *client)
>  {
> -       int ret;
> -       ret = blinkm_transfer_hw(client, BLM_STOP_SCRIPT);
> -       ret = blinkm_transfer_hw(client, BLM_GO_RGB);
> +       blinkm_transfer_hw(client, BLM_STOP_SCRIPT);
> +       blinkm_transfer_hw(client, BLM_GO_RGB);
>  }
>
>  static int blinkm_test_run(struct i2c_client *client)
> --
> 1.7.9.5
>
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