netdev - [PATCH -next] mac80211: minstrel_ht: remove unused variable 'mg' in minstrel_ht_next_jump

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <20210326024843.987941-1-weiyongjun1@huawei.com>
Date:   Fri, 26 Mar 2021 02:48:43 +0000
From:   Wei Yongjun <weiyongjun1@...wei.com>
To:     <weiyongjun1@...wei.com>,
        Johannes Berg <johannes@...solutions.net>,
        "Jakub Kicinski" <kuba@...nel.org>
CC:     <linux-wireless@...r.kernel.org>, <netdev@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>, Hulk Robot <hulkci@...wei.com>
Subject: [PATCH -next] mac80211: minstrel_ht: remove unused variable 'mg' in minstrel_ht_next_jump_rate()

GCC reports the following warning with W=1:

net/mac80211/rc80211_minstrel_ht.c:871:34: warning:
 variable 'mg' set but not used [-Wunused-but-set-variable]
  871 |  struct minstrel_mcs_group_data *mg;
      |                                  ^~

This variable is not used in function , this commit
remove it to fix the warning.

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 net/mac80211/rc80211_minstrel_ht.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index ecad9b10984f..f21c85eb906a 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -868,7 +868,6 @@ static u16
 minstrel_ht_next_jump_rate(struct minstrel_ht_sta *mi, u32 fast_rate_dur,
 			   u32 slow_rate_dur, int *slow_rate_ofs)
 {
-	struct minstrel_mcs_group_data *mg;
 	struct minstrel_rate_stats *mrs;
 	u32 max_duration = slow_rate_dur;
 	int i, index, offset;
@@ -886,7 +885,6 @@ minstrel_ht_next_jump_rate(struct minstrel_ht_sta *mi, u32 fast_rate_dur,
 		u8 type;
 
 		group = (group + 1) % ARRAY_SIZE(minstrel_mcs_groups);
-		mg = &mi->groups[group];
 
 		supported = mi->supported[group];
 		if (!supported)