On Wed, May 29, 2019 at 07:15:29PM +0530, Nishka Dasgupta wrote:
> As the function CARDbRadioPowerOff always returns true, and this value
> does not appear to be used anywhere, the return variable can be entirely
> removed and the function converted to type void.
> Issue found with Coccinelle.
> 
> Signed-off-by: Nishka Dasgupta <nishkadg.li...@gmail.com>
> ---
>  drivers/staging/vt6655/card.c | 56 ++++++++++++++++-------------------
>  drivers/staging/vt6655/card.h |  2 +-
>  2 files changed, 27 insertions(+), 31 deletions(-)
> 
> diff --git a/drivers/staging/vt6655/card.c b/drivers/staging/vt6655/card.c
> index 6ecbe925026d..2aca5b38be5c 100644
> --- a/drivers/staging/vt6655/card.c
> +++ b/drivers/staging/vt6655/card.c
> @@ -409,42 +409,38 @@ bool CARDbSetBeaconPeriod(struct vnt_private *priv,
>   *  Out:
>   *      none
>   *
> - * Return Value: true if success; otherwise false
> + * Return Value: none

That's obvious and the whole line can be removed.

>   */
> -bool CARDbRadioPowerOff(struct vnt_private *priv)
> +void CARDbRadioPowerOff(struct vnt_private *priv)
>  {
> -     bool bResult = true;
> -
> -     if (priv->bRadioOff)
> -             return true;
> -
> -     switch (priv->byRFType) {
> -     case RF_RFMD2959:
> -             MACvWordRegBitsOff(priv->PortOffset, MAC_REG_SOFTPWRCTL,
> -                                SOFTPWRCTL_TXPEINV);
> -             MACvWordRegBitsOn(priv->PortOffset, MAC_REG_SOFTPWRCTL,
> -                               SOFTPWRCTL_SWPE1);
> -             break;
> +     if (!priv->bRadioOff) {
> +             switch (priv->byRFType) {

No, don't do that.  Leave the indentation alone and just return "early"
like the code did.

thanks,

greg k-h
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