[PATCH 37/47] staging: r8188eu: remove rtw_ies_remove_ie()

[Michael Straube]

Function rtw_ies_remove_ie() is not used, remove it. It is the only
user of rtw_get_ie_ex(), remove that function as well.

Signed-off-by: Michael Straube <straube.linux@xxxxxxxxx>
---
 drivers/staging/r8188eu/core/rtw_ieee80211.c | 90 --------------------
 drivers/staging/r8188eu/include/ieee80211.h  |  4 -
 2 files changed, 94 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_ieee80211.c b/drivers/staging/r8188eu/core/rtw_ieee80211.c
index bc7ab84c0e05..b2a376867c54 100644
--- a/drivers/staging/r8188eu/core/rtw_ieee80211.c
+++ b/drivers/staging/r8188eu/core/rtw_ieee80211.c
@@ -201,96 +201,6 @@ u8 *rtw_get_ie(u8 *pbuf, int index, int *len, int limit)
 	return NULL;
 }
 
-/**
- * rtw_get_ie_ex - Search specific IE from a series of IEs
- * @in_ie: Address of IEs to search
- * @in_len: Length limit from in_ie
- * @eid: Element ID to match
- * @oui: OUI to match
- * @oui_len: OUI length
- * @ie: If not NULL and the specific IE is found, the IE will be copied to the buf starting from the specific IE
- * @ielen: If not NULL and the specific IE is found, will set to the length of the entire IE
- *
- * Returns: The address of the specific IE found, or NULL
- */
-u8 *rtw_get_ie_ex(u8 *in_ie, uint in_len, u8 eid, u8 *oui, u8 oui_len, u8 *ie, uint *ielen)
-{
-	uint cnt;
-	u8 *target_ie = NULL;
-
-	if (ielen)
-		*ielen = 0;
-
-	if (!in_ie || in_len <= 0)
-		return target_ie;
-
-	cnt = 0;
-
-	while (cnt < in_len) {
-		if (eid == in_ie[cnt] && (!oui || !memcmp(&in_ie[cnt + 2], oui, oui_len))) {
-			target_ie = &in_ie[cnt];
-
-			if (ie)
-				memcpy(ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
-
-			if (ielen)
-				*ielen = in_ie[cnt + 1] + 2;
-
-			break;
-		} else {
-			cnt += in_ie[cnt + 1] + 2; /* goto next */
-		}
-	}
-	return target_ie;
-}
-
-/**
- * rtw_ies_remove_ie - Find matching IEs and remove
- * @ies: Address of IEs to search
- * @ies_len: Pointer of length of ies, will update to new length
- * @offset: The offset to start scarch
- * @eid: Element ID to match
- * @oui: OUI to match
- * @oui_len: OUI length
- *
- * Returns: _SUCCESS: ies is updated, _FAIL: not updated
- */
-int rtw_ies_remove_ie(u8 *ies, uint *ies_len, uint offset, u8 eid, u8 *oui, u8 oui_len)
-{
-	int ret = _FAIL;
-	u8 *target_ie;
-	u32 target_ielen;
-	u8 *start;
-	uint search_len;
-
-	if (!ies || !ies_len || *ies_len <= offset)
-		goto exit;
-
-	start = ies + offset;
-	search_len = *ies_len - offset;
-
-	while (1) {
-		target_ie = rtw_get_ie_ex(start, search_len, eid, oui, oui_len, NULL, &target_ielen);
-		if (target_ie && target_ielen) {
-			u8 buf[MAX_IE_SZ] = {0};
-			u8 *remain_ies = target_ie + target_ielen;
-			uint remain_len = search_len - (remain_ies - start);
-
-			memcpy(buf, remain_ies, remain_len);
-			memcpy(target_ie, buf, remain_len);
-			*ies_len = *ies_len - target_ielen;
-			ret = _SUCCESS;
-
-			start = target_ie;
-			search_len = remain_len;
-		} else {
-			break;
-		}
-	}
-exit:
-	return ret;
-}
-
 void rtw_set_supported_rate(u8 *SupportedRates, uint mode)
 {
 
diff --git a/drivers/staging/r8188eu/include/ieee80211.h b/drivers/staging/r8188eu/include/ieee80211.h
index 36c95adb9d85..65e21d5d5b46 100644
--- a/drivers/staging/r8188eu/include/ieee80211.h
+++ b/drivers/staging/r8188eu/include/ieee80211.h
@@ -1103,10 +1103,6 @@ u8 *rtw_set_ie_mesh_ch_switch_parm(u8 *buf, u32 *buf_len, u8 ttl,
 				   u8 flags, u16 reason, u16 precedence);
 
 u8 *rtw_get_ie(u8 *pbuf, int index, int *len, int limit);
-u8 *rtw_get_ie_ex(u8 *in_ie, uint in_len, u8 eid, u8 *oui,
-		  u8 oui_len, u8 *ie, uint *ielen);
-int rtw_ies_remove_ie(u8 *ies, uint *ies_len, uint offset,
-		      u8 eid, u8 *oui, u8 oui_len);
 
 void rtw_set_supported_rate(u8 *SupportedRates, uint mode);
 
-- 
2.33.0