Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1637313 > unrolled thread

[PATCH] staging : rtl8188eu : remove unnecessary else

Started bySurender Polsani <surenderpolsani@gmail.com>
First post2017-05-08 10:50 +0200
Last post2017-05-09 10:10 +0200
Articles 3 — 3 participants

Back to article view | Back to linux.kernel


Contents

  [PATCH] staging : rtl8188eu : remove unnecessary else Surender Polsani <surenderpolsani@gmail.com> - 2017-05-08 10:50 +0200
    Re: [PATCH] staging : rtl8188eu : remove unnecessary else Joe Perches <joe@perches.com> - 2017-05-08 21:50 +0200
    Re: [PATCH] staging : rtl8188eu : remove unnecessary else Dan Carpenter <dan.carpenter@oracle.com> - 2017-05-09 10:10 +0200

#1637313 — [PATCH] staging : rtl8188eu : remove unnecessary else

FromSurender Polsani <surenderpolsani@gmail.com>
Date2017-05-08 10:50 +0200
Subject[PATCH] staging : rtl8188eu : remove unnecessary else
Message-ID<tEMwG-1z9-15@gated-at.bofh.it>
according to coding style else is not generally
useful after a break or return

Signed-off-by: Surender Polsani <surenderpolsani@gmail.com>
---
 drivers/staging/rtl8188eu/hal/rtl8188e_dm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c b/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c
index d04b7fb..7420f55 100644
--- a/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c
+++ b/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c
@@ -212,8 +212,7 @@ u8 rtw_hal_antdiv_before_linked(struct adapter *Adapter)
 
 		rtw_antenna_select_cmd(Adapter, dm_swat_tbl->CurAntenna, false);
 		return true;
-	} else {
+	}
 		dm_swat_tbl->SWAS_NoLink_State = 0;
 		return false;
-	}
 }
-- 
1.9.1

[toc] | [next] | [standalone]


#1637677

FromJoe Perches <joe@perches.com>
Date2017-05-08 21:50 +0200
Message-ID<tEWPo-8b6-13@gated-at.bofh.it>
In reply to#1637313
On Mon, 2017-05-08 at 14:13 +0530, Surender Polsani wrote:
> according to coding style else is not generally
> useful after a break or return
> 
> Signed-off-by: Surender Polsani <surenderpolsani@gmail.com>
> ---
>  drivers/staging/rtl8188eu/hal/rtl8188e_dm.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c b/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c
> index d04b7fb..7420f55 100644
> --- a/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c
> +++ b/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c
> @@ -212,8 +212,7 @@ u8 rtw_hal_antdiv_before_linked(struct adapter *Adapter)
>  
>  		rtw_antenna_select_cmd(Adapter, dm_swat_tbl->CurAntenna, false);
>  		return true;
> -	} else {
> +	}
>  		dm_swat_tbl->SWAS_NoLink_State = 0;
>  		return false;
> -	}
>  }

It's just fine how else after return is used here.

In the future you should reflow indentation after
removing braces though.

The function might be restructured a bit to return
false before ever returning true.

Something like:
---
 drivers/staging/rtl8188eu/hal/rtl8188e_dm.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c b/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c
index d04b7fbb71e1..1de9bcaa58b8 100644
--- a/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c
+++ b/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c
@@ -198,22 +198,22 @@ u8 rtw_hal_antdiv_before_linked(struct adapter *Adapter)
 	struct sw_ant_switch *dm_swat_tbl = &dm_odm->DM_SWAT_Table;
 	struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv);
 
-	/*  Condition that does not need to use antenna diversity. */
+	/* Condition that does not need to use antenna diversity */
 	if (Adapter->HalData->AntDivCfg == 0)
 		return false;
 
 	if (check_fwstate(pmlmepriv, _FW_LINKED))
 		return false;
 
-	if (dm_swat_tbl->SWAS_NoLink_State == 0) {
-		/* switch channel */
-		dm_swat_tbl->SWAS_NoLink_State = 1;
-		dm_swat_tbl->CurAntenna = (dm_swat_tbl->CurAntenna == Antenna_A) ? Antenna_B : Antenna_A;
-
-		rtw_antenna_select_cmd(Adapter, dm_swat_tbl->CurAntenna, false);
-		return true;
-	} else {
+	if (dm_swat_tbl->SWAS_NoLink_State != 0) {
 		dm_swat_tbl->SWAS_NoLink_State = 0;
 		return false;
 	}
+
+	/* switch channel */
+	dm_swat_tbl->SWAS_NoLink_State = 1;
+	dm_swat_tbl->CurAntenna = dm_swat_tbl->CurAntenna == Antenna_A ? Antenna_B : Antenna_A;
+	rtw_antenna_select_cmd(Adapter, dm_swat_tbl->CurAntenna, false);
+
+	return true;
 }

[toc] | [prev] | [next] | [standalone]


#1637960

FromDan Carpenter <dan.carpenter@oracle.com>
Date2017-05-09 10:10 +0200
Message-ID<tF8nv-7up-1@gated-at.bofh.it>
In reply to#1637313
On Mon, May 08, 2017 at 02:13:00PM +0530, Surender Polsani wrote:
> according to coding style else is not generally
> useful after a break or return
> 
> Signed-off-by: Surender Polsani <surenderpolsani@gmail.com>
> ---
>  drivers/staging/rtl8188eu/hal/rtl8188e_dm.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c b/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c
> index d04b7fb..7420f55 100644
> --- a/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c
> +++ b/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c
> @@ -212,8 +212,7 @@ u8 rtw_hal_antdiv_before_linked(struct adapter *Adapter)
>  
>  		rtw_antenna_select_cmd(Adapter, dm_swat_tbl->CurAntenna, false);
>  		return true;
> -	} else {
> +	}
>  		dm_swat_tbl->SWAS_NoLink_State = 0;
>  		return false;
> -	}

Nope.

I think you really need to learn C programming before you send any more
patches.

regards,
dan carpenter

[toc] | [prev] | [standalone]


Back to top | Article view | linux.kernel


csiph-web