linux-kernel - [PATCH] iwlegacy: 4965-rs: remove three unused variables

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>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20220318030025.12890-1-alexander.vorwerk@stud.uni-goettingen.de>
Date:   Fri, 18 Mar 2022 04:00:25 +0100
From:   Alexander Vorwerk <alexander.vorwerk@...d.uni-goettingen.de>
To:     <kvalo@...nel.org>, <davem@...emloft.net>, <stf_xl@...pl>
CC:     <linux-wireless@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Alexander Vorwerk <alexander.vorwerk@...d.uni-goettingen.de>
Subject: [PATCH] iwlegacy: 4965-rs: remove three unused variables

The following warnings showed up when compiling with W=1.

drivers/net/wireless/intel/iwlegacy/4965-rs.c: In function ‘il4965_rs_stay_in_table’:
drivers/net/wireless/intel/iwlegacy/4965-rs.c:1636:18: warning: variable ‘il’ set but not used [-Wunused-but-set-variable]
  struct il_priv *il;
                  ^~
drivers/net/wireless/intel/iwlegacy/4965-rs.c: In function ‘il4965_rs_alloc_sta’:
drivers/net/wireless/intel/iwlegacy/4965-rs.c:2257:18: warning: variable ‘il’ set but not used [-Wunused-but-set-variable]
  struct il_priv *il;
                  ^~
drivers/net/wireless/intel/iwlegacy/4965-rs.c: In function ‘il4965_rs_sta_dbgfs_scale_table_write’:
drivers/net/wireless/intel/iwlegacy/4965-rs.c:2535:18: warning: variable ‘il’ set but not used [-Wunused-but-set-variable]
  struct il_priv *il;
                  ^~

Fixing by removing the variables.

Signed-off-by: Alexander Vorwerk <alexander.vorwerk@...d.uni-goettingen.de>
---
 drivers/net/wireless/intel/iwlegacy/4965-rs.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlegacy/4965-rs.c b/drivers/net/wireless/intel/iwlegacy/4965-rs.c
index 9a491e5db75b..5e4110a1e644 100644
--- a/drivers/net/wireless/intel/iwlegacy/4965-rs.c
+++ b/drivers/net/wireless/intel/iwlegacy/4965-rs.c
@@ -1633,9 +1633,7 @@ il4965_rs_stay_in_table(struct il_lq_sta *lq_sta, bool force_search)
 	int i;
 	int active_tbl;
 	int flush_interval_passed = 0;
-	struct il_priv *il;
 
-	il = lq_sta->drv;
 	active_tbl = lq_sta->active_tbl;
 
 	tbl = &(lq_sta->lq_info[active_tbl]);
@@ -2254,9 +2252,7 @@ il4965_rs_alloc_sta(void *il_rate, struct ieee80211_sta *sta, gfp_t gfp)
 {
 	struct il_station_priv *sta_priv =
 	    (struct il_station_priv *)sta->drv_priv;
-	struct il_priv *il;
 
-	il = (struct il_priv *)il_rate;
 	D_RATE("create station rate scale win\n");
 
 	return &sta_priv->lq_sta;
@@ -2532,12 +2528,10 @@ il4965_rs_sta_dbgfs_scale_table_write(struct file *file,
 				      size_t count, loff_t *ppos)
 {
 	struct il_lq_sta *lq_sta = file->private_data;
-	struct il_priv *il;
 	char buf[64];
 	size_t buf_size;
 	u32 parsed_rate;
 
-	il = lq_sta->drv;
 	memset(buf, 0, sizeof(buf));
 	buf_size = min(count, sizeof(buf) - 1);
 	if (copy_from_user(buf, user_buf, buf_size))
-- 
2.17.1