2019-07-12 19:16:19

by Hariprasad Kelam

Subject: [PATCH] rtlwifi: btcoex: fix issue possible condition with no effect (if == else)

fix below issue reported by coccicheck
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c:514:1-3:
WARNING: possible condition with no effect (if == else)

Signed-off-by: Hariprasad Kelam <[email protected]>
---
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
index 152242a..191dafd0 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
@@ -509,13 +509,7 @@ static u32 halbtc_get_wifi_link_status(struct btc_coexist *btcoexist)

static s32 halbtc_get_wifi_rssi(struct rtl_priv *rtlpriv)
{
- int undec_sm_pwdb = 0;
-
- if (rtlpriv->mac80211.link_state >= MAC80211_LINKED)
- undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
- else /* associated entry pwdb */
- undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
- return undec_sm_pwdb;
+ return rtlpriv->dm.undec_sm_pwdb;
}

static bool halbtc_get(void *void_btcoexist, u8 get_type, void *out_buf)
--
2.7.4

2019-07-18 02:48:17

by Ping-Ke Shih

Subject: Re: [PATCH] rtlwifi: btcoex: fix issue possible condition with no effect (if == else)

On Fri, 2019-07-12 at 19:15 +0000, Hariprasad Kelam wrote:
> fix below issue reported by coccicheck
> drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c:514:1-3:
> WARNING: possible condition with no effect (if == else)
>
> Signed-off-by: Hariprasad Kelam <[email protected]>
> ---
>  drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c | 8 +-------
>  1 file changed, 1 insertion(+), 7 deletions(-)
>
> diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
> b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
> index 152242a..191dafd0 100644
> --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
> +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
> @@ -509,13 +509,7 @@ static u32 halbtc_get_wifi_link_status(struct btc_coexist
> *btcoexist)
>  
>  static s32 halbtc_get_wifi_rssi(struct rtl_priv *rtlpriv)
>  {
> - int undec_sm_pwdb = 0;
> -
> - if (rtlpriv->mac80211.link_state >= MAC80211_LINKED)
> - undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
> - else /* associated entry pwdb */
> - undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
> - return undec_sm_pwdb;
> + return rtlpriv->dm.undec_sm_pwdb;
>  }
>  
>  static bool halbtc_get(void *void_btcoexist, u8 get_type, void *out_buf)

It looks good to me. Thank you.

Acked-by: Ping-Ke Shih <[email protected]>