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* [PATCH] mac80211: minstrel_ht: remove unused n_supported variable
@ 2023-03-25 13:26 Tom Rix
  2023-03-25 16:05 ` Simon Horman
  0 siblings, 1 reply; 2+ messages in thread
From: Tom Rix @ 2023-03-25 13:26 UTC (permalink / raw)
  To: johannes, davem, edumazet, kuba, pabeni, nathan, ndesaulniers
  Cc: linux-wireless, netdev, linux-kernel, llvm, Tom Rix

clang with W=1 reports
net/mac80211/rc80211_minstrel_ht.c:1711:6: error: variable
  'n_supported' set but not used [-Werror,-Wunused-but-set-variable]
        int n_supported = 0;
            ^
This variable is not used so remove it.

Signed-off-by: Tom Rix <trix@redhat.com>
---
 net/mac80211/rc80211_minstrel_ht.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 762346598338..b34c80522047 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -1708,7 +1708,6 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
 	struct sta_info *sta_info;
 	bool ldpc, erp;
 	int use_vht;
-	int n_supported = 0;
 	int ack_dur;
 	int stbc;
 	int i;
@@ -1791,8 +1790,6 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
 				continue;
 
 			mi->supported[i] = mcs->rx_mask[nss - 1];
-			if (mi->supported[i])
-				n_supported++;
 			continue;
 		}
 
@@ -1819,9 +1816,6 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
 
 		mi->supported[i] = minstrel_get_valid_vht_rates(bw, nss,
 				vht_cap->vht_mcs.tx_mcs_map);
-
-		if (mi->supported[i])
-			n_supported++;
 	}
 
 	sta_info = container_of(sta, struct sta_info, sta);
-- 
2.27.0


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] mac80211: minstrel_ht: remove unused n_supported variable
  2023-03-25 13:26 [PATCH] mac80211: minstrel_ht: remove unused n_supported variable Tom Rix
@ 2023-03-25 16:05 ` Simon Horman
  0 siblings, 0 replies; 2+ messages in thread
From: Simon Horman @ 2023-03-25 16:05 UTC (permalink / raw)
  To: Tom Rix
  Cc: johannes, davem, edumazet, kuba, pabeni, nathan, ndesaulniers,
	linux-wireless, netdev, linux-kernel, llvm

On Sat, Mar 25, 2023 at 09:26:10AM -0400, Tom Rix wrote:
> clang with W=1 reports
> net/mac80211/rc80211_minstrel_ht.c:1711:6: error: variable
>   'n_supported' set but not used [-Werror,-Wunused-but-set-variable]
>         int n_supported = 0;
>             ^
> This variable is not used so remove it.
> 
> Signed-off-by: Tom Rix <trix@redhat.com>

Reviewed-by: Simon Horman <simon.horman@corigine.com>


^ permalink raw reply	[flat|nested] 2+ messages in thread

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2023-03-25 13:26 [PATCH] mac80211: minstrel_ht: remove unused n_supported variable Tom Rix
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