linux-kernel - [PATCH 3/8] staging: rtl8188eu: remove unused rtw_handle_tkip_mic

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Message-Id: <20180729170851.2581-3-straube.linux@gmail.com>
Date:   Sun, 29 Jul 2018 19:08:46 +0200
From:   Michael Straube <straube.linux@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        Michael Straube <straube.linux@...il.com>
Subject: [PATCH 3/8] staging: rtl8188eu: remove unused rtw_handle_tkip_mic_err()

The function rtw_handle_tkip_mic_err() is never used, so remove it.
Discovered by cppcheck.

Signed-off-by: Michael Straube <straube.linux@...il.com>
---
 .../staging/rtl8188eu/include/recv_osdep.h    |  2 --
 drivers/staging/rtl8188eu/os_dep/recv_linux.c | 36 -------------------
 2 files changed, 38 deletions(-)

diff --git a/drivers/staging/rtl8188eu/include/recv_osdep.h b/drivers/staging/rtl8188eu/include/recv_osdep.h
index d2341521cc8e..2c05964b757d 100644
--- a/drivers/staging/rtl8188eu/include/recv_osdep.h
+++ b/drivers/staging/rtl8188eu/include/recv_osdep.h
@@ -19,8 +19,6 @@ s32  rtw_recv_entry(struct recv_frame *precv_frame);
 int rtw_recv_indicatepkt(struct adapter *adapter,
 			 struct recv_frame *recv_frame);
 
-void rtw_handle_tkip_mic_err(struct adapter *padapter, u8 bgroup);
-
 int rtw_os_recvbuf_resource_alloc(struct adapter *adapt, struct recv_buf *buf);
 
 void rtw_init_recv_timer(struct recv_reorder_ctrl *preorder_ctrl);
diff --git a/drivers/staging/rtl8188eu/os_dep/recv_linux.c b/drivers/staging/rtl8188eu/os_dep/recv_linux.c
index deadf26ea2aa..148ee94bbf3d 100644
--- a/drivers/staging/rtl8188eu/os_dep/recv_linux.c
+++ b/drivers/staging/rtl8188eu/os_dep/recv_linux.c
@@ -25,42 +25,6 @@ int rtw_os_recvbuf_resource_alloc(struct adapter *padapter,
 	return _SUCCESS;
 }
 
-void rtw_handle_tkip_mic_err(struct adapter *padapter, u8 bgroup)
-{
-	union iwreq_data wrqu;
-	struct iw_michaelmicfailure ev;
-	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
-	struct security_priv *psecuritypriv = &padapter->securitypriv;
-	u32 cur_time = 0;
-
-	if (psecuritypriv->last_mic_err_time == 0) {
-		psecuritypriv->last_mic_err_time = jiffies;
-	} else {
-		cur_time = jiffies;
-
-		if (cur_time - psecuritypriv->last_mic_err_time < 60*HZ) {
-			psecuritypriv->btkip_countermeasure = true;
-			psecuritypriv->last_mic_err_time = 0;
-			psecuritypriv->btkip_countermeasure_time = cur_time;
-		} else {
-			psecuritypriv->last_mic_err_time = jiffies;
-		}
-	}
-
-	memset(&ev, 0x00, sizeof(ev));
-	if (bgroup)
-		ev.flags |= IW_MICFAILURE_GROUP;
-	else
-		ev.flags |= IW_MICFAILURE_PAIRWISE;
-
-	ev.src_addr.sa_family = ARPHRD_ETHER;
-	memcpy(ev.src_addr.sa_data, &pmlmepriv->assoc_bssid[0], ETH_ALEN);
-	memset(&wrqu, 0x00, sizeof(wrqu));
-	wrqu.data.length = sizeof(ev);
-	wireless_send_event(padapter->pnetdev, IWEVMICHAELMICFAILURE,
-			    &wrqu, (char *)&ev);
-}
-
 int rtw_recv_indicatepkt(struct adapter *padapter,
 			 struct recv_frame *precv_frame)
 {
-- 
2.18.0