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Date:   Thu, 30 May 2019 14:09:42 -0700
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Hariprasad Kelam <hariprasad.kelam@...il.com>
Cc:     Vatsala Narang <vatsalanarang@...il.com>,
        Emanuel Bennici <benniciemanuel78@...il.com>,
        Nishka Dasgupta <nishka.dasgupta@...oo.com>,
        Hardik Singh Rathore <hardiksingh.k@...il.com>,
        Madhumitha Prabakaran <madhumithabiw@...il.com>,
        Michael Straube <straube.linux@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Arnd Bergmann <arnd@...db.de>, Paolo Abeni <pabeni@...hat.com>,
        Alexander Duyck <alexander.h.duyck@...el.com>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [Patch v3] staging: rtl8723bs: core: rtw_mlme_ext: fix warning
 Unneeded variable: "ret"

On Thu, May 23, 2019 at 11:09:41PM +0530, Hariprasad Kelam wrote:
> This patch fixes below warnings reported by coccicheck
> 
> drivers/staging/rtl8723bs/core/rtw_mlme_ext.c:1888:14-17: Unneeded
> variable: "ret". Return "_FAIL" on line 1920
> drivers/staging/rtl8723bs/core/rtw_mlme_ext.c:466:5-8: Unneeded
> variable: "res". Return "_SUCCESS" on line 494
> 
> Signed-off-by: Hariprasad Kelam <hariprasad.kelam@...il.com>
> ----
> changes in v2:
>                 change return type of init_mlme_ext_priv() from int to
>                 void
>                 We cant change return type of on_action_spct() it is a
>                 call back function from action_handler.
>                 So directly return _FAIL from this function.
> changes in v3:
> 		Dont remove initilization of init_mlme_ext_priv
> ---
>  drivers/staging/rtl8723bs/core/rtw_mlme_ext.c    | 9 ++-------
>  drivers/staging/rtl8723bs/include/rtw_mlme_ext.h | 2 +-
>  drivers/staging/rtl8723bs/os_dep/os_intfs.c      | 6 +-----
>  3 files changed, 4 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
> index 65e8cba..4b0129c 100644
> --- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
> +++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
> @@ -458,9 +458,8 @@ static u8 init_channel_set(struct adapter *padapter, u8 ChannelPlan, RT_CHANNEL_
>  	return chanset_size;
>  }
>  
> -int	init_mlme_ext_priv(struct adapter *padapter)
> +void	init_mlme_ext_priv(struct adapter *padapter)
>  {
> -	int	res = _SUCCESS;
>  	struct registry_priv *pregistrypriv = &padapter->registrypriv;
>  	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
>  	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
> @@ -487,9 +486,6 @@ int	init_mlme_ext_priv(struct adapter *padapter)
>  #ifdef DBG_FIXED_CHAN
>  	pmlmeext->fixed_chan = 0xFF;
>  #endif
> -
> -	return res;
> -
>  }
>  
>  void free_mlme_ext_priv(struct mlme_ext_priv *pmlmeext)
> @@ -1881,7 +1877,6 @@ unsigned int OnAtim(struct adapter *padapter, union recv_frame *precv_frame)
>  
>  unsigned int on_action_spct(struct adapter *padapter, union recv_frame *precv_frame)
>  {
> -	unsigned int ret = _FAIL;
>  	struct sta_info *psta = NULL;
>  	struct sta_priv *pstapriv = &padapter->stapriv;
>  	u8 *pframe = precv_frame->u.hdr.rx_data;
> @@ -1913,7 +1908,7 @@ unsigned int on_action_spct(struct adapter *padapter, union recv_frame *precv_fr
>  	}
>  
>  exit:
> -	return ret;
> +	return _FAIL;
>  }
>  
>  unsigned int OnAction_back(struct adapter *padapter, union recv_frame *precv_frame)
> diff --git a/drivers/staging/rtl8723bs/include/rtw_mlme_ext.h b/drivers/staging/rtl8723bs/include/rtw_mlme_ext.h
> index f6eabad..0eb2da5 100644
> --- a/drivers/staging/rtl8723bs/include/rtw_mlme_ext.h
> +++ b/drivers/staging/rtl8723bs/include/rtw_mlme_ext.h
> @@ -535,7 +535,7 @@ struct mlme_ext_priv
>  };
>  
>  void init_mlme_default_rate_set(struct adapter *padapter);
> -int init_mlme_ext_priv(struct adapter *padapter);
> +void init_mlme_ext_priv(struct adapter *padapter);
>  int init_hw_mlme_ext(struct adapter *padapter);
>  void free_mlme_ext_priv (struct mlme_ext_priv *pmlmeext);
>  extern void init_mlme_ext_timer(struct adapter *padapter);
> diff --git a/drivers/staging/rtl8723bs/os_dep/os_intfs.c b/drivers/staging/rtl8723bs/os_dep/os_intfs.c
> index 8a9d838..4afb35b 100644
> --- a/drivers/staging/rtl8723bs/os_dep/os_intfs.c
> +++ b/drivers/staging/rtl8723bs/os_dep/os_intfs.c
> @@ -774,11 +774,7 @@ u8 rtw_init_drv_sw(struct adapter *padapter)
>  		goto exit;
>  	}
>  
> -	if (init_mlme_ext_priv(padapter) == _FAIL) {
> -		RT_TRACE(_module_os_intfs_c_, _drv_err_, ("\n Can't init mlme_ext_priv\n"));
> -		ret8 = _FAIL;
> -		goto exit;
> -	}
> +	init_mlme_ext_priv(padapter); 

Always run checkpatch.pl on your patches so you do not get grumpy
maintainers telling you to run checkpatch.pl on your patches :(


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