linux-kernel - [PATCH 2/3] staging: wilc1000: Remove useless function

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:   Sun,  6 May 2018 00:33:32 -0700
From:   Nathan Chancellor <natechancellor@...il.com>
To:     devel@...verdev.osuosl.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Aditya Shankar <aditya.shankar@...rochip.com>,
        Ganesh Krishna <ganesh.krishna@...rochip.com>,
        linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
        Nathan Chancellor <natechancellor@...il.com>
Subject: [PATCH 2/3] staging: wilc1000: Remove useless function

GCC warns that 'wid' is unused in wilc_remove_key and it's correct; the
variable is only local. Get rid of the function (since it just returns
zero) and shuffle the remaining code into one if statement.

Signed-off-by: Nathan Chancellor <natechancellor@...il.com>
---
 drivers/staging/wilc1000/host_interface.c         | 12 ------------
 drivers/staging/wilc1000/host_interface.h         |  1 -
 drivers/staging/wilc1000/wilc_wfi_cfgoperations.c | 14 +++++---------
 3 files changed, 5 insertions(+), 22 deletions(-)

diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c
index 3fd4c8e62da6..b5f3829e9903 100644
--- a/drivers/staging/wilc1000/host_interface.c
+++ b/drivers/staging/wilc1000/host_interface.c
@@ -2606,18 +2606,6 @@ static void timer_connect_cb(struct timer_list *t)
 	wilc_enqueue_cmd(&msg);
 }
 
-s32 wilc_remove_key(struct host_if_drv *hif_drv, const u8 *sta_addr)
-{
-	struct wid wid;
-
-	wid.id = (u16)WID_REMOVE_KEY;
-	wid.type = WID_STR;
-	wid.val = (s8 *)sta_addr;
-	wid.size = 6;
-
-	return 0;
-}
-
 int wilc_remove_wep_key(struct wilc_vif *vif, u8 index)
 {
 	int result = 0;
diff --git a/drivers/staging/wilc1000/host_interface.h b/drivers/staging/wilc1000/host_interface.h
index 7a26f341e0ba..08b3ba7df8b4 100644
--- a/drivers/staging/wilc1000/host_interface.h
+++ b/drivers/staging/wilc1000/host_interface.h
@@ -303,7 +303,6 @@ struct add_sta_param {
 };
 
 struct wilc_vif;
-s32 wilc_remove_key(struct host_if_drv *hif_drv, const u8 *sta_addr);
 int wilc_remove_wep_key(struct wilc_vif *vif, u8 index);
 int wilc_set_wep_default_keyid(struct wilc_vif *vif, u8 index);
 int wilc_add_wep_key_bss_sta(struct wilc_vif *vif, const u8 *key, u8 len,
diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
index 76b4afaef423..b499fb987395 100644
--- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
+++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
@@ -1054,15 +1054,11 @@ static int del_key(struct wiphy *wiphy, struct net_device *netdev,
 		}
 	}
 
-	if (key_index >= 0 && key_index <= 3) {
-		if (priv->wep_key_len[key_index]) {
-			memset(priv->wep_key[key_index], 0,
-			       priv->wep_key_len[key_index]);
-			priv->wep_key_len[key_index] = 0;
-			wilc_remove_wep_key(vif, key_index);
-		}
-	} else {
-		wilc_remove_key(priv->hif_drv, mac_addr);
+	if (key_index >= 0 && key_index <= 3 && priv->wep_key_len[key_index]) {
+		memset(priv->wep_key[key_index], 0,
+		       priv->wep_key_len[key_index]);
+		priv->wep_key_len[key_index] = 0;
+		wilc_remove_wep_key(vif, key_index);
 	}
 
 	return 0;
-- 
2.17.0