linux-kernel - [PATCH 2/2] staging: r8188eu: remove unused function rtw_remove_bcn

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Message-Id: <20210819112200.32030-2-straube.linux@gmail.com>
Date:   Thu, 19 Aug 2021 13:22:00 +0200
From:   Michael Straube <straube.linux@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, phil@...lpotter.co.uk, martin@...ser.cx,
        fmdefrancesco@...il.com, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Michael Straube <straube.linux@...il.com>
Subject: [PATCH 2/2] staging: r8188eu: remove unused function rtw_remove_bcn_ie()

Function rtw_remove_bcn_ie() is not used anywhere, remove it.

Signed-off-by: Michael Straube <straube.linux@...il.com>
---
 drivers/staging/r8188eu/core/rtw_ap.c    | 38 ------------------------
 drivers/staging/r8188eu/include/rtw_ap.h |  2 --
 2 files changed, 40 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_ap.c b/drivers/staging/r8188eu/core/rtw_ap.c
index 0237b7f8e42f..1f3aa0092ef9 100644
--- a/drivers/staging/r8188eu/core/rtw_ap.c
+++ b/drivers/staging/r8188eu/core/rtw_ap.c
@@ -139,44 +139,6 @@ static void update_BCNTIM(struct adapter *padapter)
 	set_tx_beacon_cmd(padapter);
 }
 
-void rtw_remove_bcn_ie(struct adapter *padapter, struct wlan_bssid_ex *pnetwork, u8 index)
-{
-	u8 *p, *dst_ie = NULL, *premainder_ie = NULL;
-	u8 *pbackup_remainder_ie = NULL;
-	uint offset, ielen, ie_offset, remainder_ielen = 0;
-	u8	*pie = pnetwork->IEs;
-
-	p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, index, &ielen,
-		       pnetwork->IELength - _FIXED_IE_LENGTH_);
-	if (p && ielen > 0) {
-		ielen += 2;
-
-		premainder_ie = p + ielen;
-
-		ie_offset = (int)(p - pie);
-
-		remainder_ielen = pnetwork->IELength - ie_offset - ielen;
-
-		dst_ie = p;
-	}
-
-	if (remainder_ielen > 0) {
-		pbackup_remainder_ie = kmalloc(remainder_ielen, GFP_KERNEL);
-		if (pbackup_remainder_ie && premainder_ie)
-			memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
-	}
-
-	/* copy remainder IE */
-	if (pbackup_remainder_ie) {
-		memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
-
-		kfree(pbackup_remainder_ie);
-	}
-
-	offset =  (uint)(dst_ie - pie);
-	pnetwork->IELength = offset + remainder_ielen;
-}
-
 static u8 chk_sta_is_alive(struct sta_info *psta)
 {
 	u8 ret = false;
diff --git a/drivers/staging/r8188eu/include/rtw_ap.h b/drivers/staging/r8188eu/include/rtw_ap.h
index fffb6794b1ce..2eb556968509 100644
--- a/drivers/staging/r8188eu/include/rtw_ap.h
+++ b/drivers/staging/r8188eu/include/rtw_ap.h
@@ -16,8 +16,6 @@ void rtw_indicate_sta_disassoc_event(struct adapter *padapter,
 				     struct sta_info *psta);
 void init_mlme_ap_info(struct adapter *padapter);
 void free_mlme_ap_info(struct adapter *padapter);
-void rtw_remove_bcn_ie(struct adapter *padapter,
-		       struct wlan_bssid_ex *pnetwork, u8 index);
 void update_beacon(struct adapter *padapter, u8 ie_id,
 		   u8 *oui, u8 tx);
 void add_RATid(struct adapter *padapter, struct sta_info *psta,
-- 
2.32.0