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Message-Id: <20210922200420.9693-38-straube.linux@gmail.com>
Date: Wed, 22 Sep 2021 22:04:10 +0200
From: Michael Straube <straube.linux@...il.com>
To: gregkh@...uxfoundation.org
Cc: Larry.Finger@...inger.net, phil@...lpotter.co.uk,
linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
Michael Straube <straube.linux@...il.com>
Subject: [PATCH 37/47] staging: r8188eu: remove rtw_ies_remove_ie()
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@...il.com>
---
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
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