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From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org
Cc: Nikolay Kulikov <nikolayof23@gmail.com>,
	Ethan Tidmore <ethantidmore06@gmail.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.10.y 09/10] staging: rtl8723bs: fix spaces around binary operators
Date: Wed, 15 Jul 2026 07:16:24 -0400	[thread overview]
Message-ID: <20260715111625.647536-9-sashal@kernel.org> (raw)
In-Reply-To: <20260715111625.647536-1-sashal@kernel.org>

From: Nikolay Kulikov <nikolayof23@gmail.com>

[ Upstream commit 0c9d1b56f9af0762a5be5118e1bb962f23784dc4 ]

Add missing spaces and fix line length to comply with kernel coding
style.

Signed-off-by: Nikolay Kulikov <nikolayof23@gmail.com>
Reviewed-by: Ethan Tidmore <ethantidmore06@gmail.com>
Link: https://patch.msgid.link/20260221172751.52329-1-nikolayof23@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 1463ca3ec660 ("staging: rtl8723bs: fix OOB reads in rtw_get_sec_ie(), rtw_get_wapi_ie(), and rtw_get_wps_attr()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../staging/rtl8723bs/core/rtw_ieee80211.c    | 80 ++++++++++---------
 1 file changed, 43 insertions(+), 37 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
index e59cd050c3755b..1fe572db5caa4f 100644
--- a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
+++ b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
@@ -473,10 +473,10 @@ int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwis
 		return _FAIL;
 	}
 
-	if ((*wpa_ie != _WPA_IE_ID_) || (*(wpa_ie+1) != (u8)(wpa_ie_len - 2)) ||
-	   (memcmp(wpa_ie+2, RTW_WPA_OUI_TYPE, WPA_SELECTOR_LEN))) {
+	if ((*wpa_ie != _WPA_IE_ID_) ||
+	    (*(wpa_ie + 1) != (u8)(wpa_ie_len - 2)) ||
+	    (memcmp(wpa_ie + 2, RTW_WPA_OUI_TYPE, WPA_SELECTOR_LEN)))
 		return _FAIL;
-	}
 
 	pos = wpa_ie;
 
@@ -546,7 +546,7 @@ int rtw_parse_wpa2_ie(u8 *rsn_ie, int rsn_ie_len, int *group_cipher, int *pairwi
 		return _FAIL;
 	}
 
-	if ((*rsn_ie != _WPA2_IE_ID_) || (*(rsn_ie+1) != (u8)(rsn_ie_len - 2)))
+	if ((*rsn_ie != _WPA2_IE_ID_) || (*(rsn_ie + 1) != (u8)(rsn_ie_len - 2)))
 		return _FAIL;
 
 	pos = rsn_ie;
@@ -624,11 +624,11 @@ int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len)
 	while (cnt < in_len) {
 		authmode = in_ie[cnt];
 
-		/* if (authmode == _WAPI_IE_) */
-		if (authmode == _WAPI_IE_ && (!memcmp(&in_ie[cnt+6], wapi_oui1, 4) ||
-					!memcmp(&in_ie[cnt+6], wapi_oui2, 4))) {
+		if (authmode == WLAN_EID_BSS_AC_ACCESS_DELAY &&
+		    (!memcmp(&in_ie[cnt + 6], wapi_oui1, 4) ||
+		     !memcmp(&in_ie[cnt + 6], wapi_oui2, 4))) {
 			if (wapi_ie) {
-				memcpy(wapi_ie, &in_ie[cnt], in_ie[cnt+1]+2);
+				memcpy(wapi_ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
 
 				for (i = 0; i < (in_ie[cnt+1]+2); i = i+8) {
 					RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n %2x,%2x,%2x,%2x,%2x,%2x,%2x,%2x\n",
@@ -638,11 +638,11 @@ int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len)
 			}
 
 			if (wapi_len)
-				*wapi_len = in_ie[cnt+1]+2;
+				*wapi_len = in_ie[cnt + 1] + 2;
 
-			cnt += in_ie[cnt+1]+2;  /* get next */
+			cnt += in_ie[cnt + 1] + 2;  /* get next */
 		} else {
-			cnt += in_ie[cnt+1]+2;   /* get next */
+			cnt += in_ie[cnt + 1] + 2;   /* get next */
 		}
 	}
 
@@ -668,11 +668,12 @@ void rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie
 	while (cnt < in_len) {
 		authmode = in_ie[cnt];
 
-		if ((authmode == _WPA_IE_ID_) && (!memcmp(&in_ie[cnt+2], &wpa_oui[0], 4))) {
+		if ((authmode == WLAN_EID_VENDOR_SPECIFIC) &&
+		    (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) {
 				RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n rtw_get_wpa_ie: sec_idx =%d in_ie[cnt+1]+2 =%d\n", sec_idx, in_ie[cnt+1]+2));
 
 				if (wpa_ie) {
-				memcpy(wpa_ie, &in_ie[cnt], in_ie[cnt+1]+2);
+				memcpy(wpa_ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
 
 				for (i = 0; i < (in_ie[cnt+1]+2); i = i+8) {
 						RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n %2x,%2x,%2x,%2x,%2x,%2x,%2x,%2x\n",
@@ -697,10 +698,10 @@ void rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie
 					}
 				}
 
-				*rsn_len = in_ie[cnt+1]+2;
-				cnt += in_ie[cnt+1]+2;  /* get next */
+				*rsn_len = in_ie[cnt + 1] + 2;
+				cnt += in_ie[cnt + 1] + 2;  /* get next */
 			} else {
-				cnt += in_ie[cnt+1]+2;   /* get next */
+				cnt += in_ie[cnt + 1] + 2;   /* get next */
 			}
 		}
 	}
@@ -750,20 +751,20 @@ u8 *rtw_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen)
 	while (cnt < in_len) {
 		eid = in_ie[cnt];
 
-		if ((eid == _WPA_IE_ID_) && (!memcmp(&in_ie[cnt+2], wps_oui, 4))) {
+		if ((eid == _WPA_IE_ID_) && (!memcmp(&in_ie[cnt + 2], wps_oui, 4))) {
 			wpsie_ptr = &in_ie[cnt];
 
 			if (wps_ie)
-				memcpy(wps_ie, &in_ie[cnt], in_ie[cnt+1]+2);
+				memcpy(wps_ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
 
 			if (wps_ielen)
-				*wps_ielen = in_ie[cnt+1]+2;
+				*wps_ielen = in_ie[cnt + 1] + 2;
 
-			cnt += in_ie[cnt+1]+2;
+			cnt += in_ie[cnt + 1] + 2;
 
 			break;
 		}
-		cnt += in_ie[cnt+1]+2; /* goto next */
+		cnt += in_ie[cnt + 1] + 2; /* goto next */
 	}
 
 	return wpsie_ptr;
@@ -788,7 +789,7 @@ u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *buf_att
 	if (len_attr)
 		*len_attr = 0;
 
-	if ((wps_ie[0] != _VENDOR_SPECIFIC_IE_) ||
+	if ((wps_ie[0] != WLAN_EID_VENDOR_SPECIFIC) ||
 		(memcmp(wps_ie + 2, wps_oui, 4))) {
 		return attr_ptr;
 	}
@@ -842,12 +843,12 @@ u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8
 
 	if (attr_ptr && attr_len) {
 		if (buf_content)
-			memcpy(buf_content, attr_ptr+4, attr_len-4);
+			memcpy(buf_content, attr_ptr + 4, attr_len - 4);
 
 		if (len_content)
-			*len_content = attr_len-4;
+			*len_content = attr_len - 4;
 
-		return attr_ptr+4;
+		return attr_ptr + 4;
 	}
 
 	return NULL;
@@ -1133,11 +1134,14 @@ static int rtw_get_cipher_info(struct wlan_network *pnetwork)
 	int group_cipher = 0, pairwise_cipher = 0, is8021x = 0;
 	int ret = _FAIL;
 
-	pbuf = rtw_get_wpa_ie(&pnetwork->network.ies[12], &wpa_ielen, pnetwork->network.ie_length-12);
+	pbuf = rtw_get_wpa_ie(&pnetwork->network.ies[12],
+			      &wpa_ielen,
+			      pnetwork->network.ie_length - 12);
 
 	if (pbuf && (wpa_ielen > 0)) {
 		RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_cipher_info: wpa_ielen: %d", wpa_ielen));
-		if (rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is8021x) == _SUCCESS) {
+		if (rtw_parse_wpa_ie(pbuf, wpa_ielen + 2, &group_cipher,
+				     &pairwise_cipher, &is8021x) == _SUCCESS) {
 			pnetwork->bcn_info.pairwise_cipher = pairwise_cipher;
 			pnetwork->bcn_info.group_cipher = group_cipher;
 			pnetwork->bcn_info.is_8021x = is8021x;
@@ -1146,11 +1150,13 @@ static int rtw_get_cipher_info(struct wlan_network *pnetwork)
 			ret = _SUCCESS;
 		}
 	} else {
-		pbuf = rtw_get_wpa2_ie(&pnetwork->network.ies[12], &wpa_ielen, pnetwork->network.ie_length-12);
+		pbuf = rtw_get_wpa2_ie(&pnetwork->network.ies[12], &wpa_ielen,
+				       pnetwork->network.ie_length - 12);
 
 		if (pbuf && (wpa_ielen > 0)) {
 			RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("get RSN IE\n"));
-			if (rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is8021x) == _SUCCESS) {
+			if (rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher,
+					      &pairwise_cipher, &is8021x) == _SUCCESS) {
 				RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("get RSN IE  OK!!!\n"));
 				pnetwork->bcn_info.pairwise_cipher = pairwise_cipher;
 				pnetwork->bcn_info.group_cipher = group_cipher;
@@ -1231,21 +1237,21 @@ u16 rtw_mcs_rate(u8 bw_40MHz, u8 short_GI, unsigned char *MCS_rate)
 	u16 max_rate = 0;
 
 	if (MCS_rate[0] & BIT(7))
-		max_rate = (bw_40MHz) ? ((short_GI)?1500:1350):((short_GI)?722:650);
+		max_rate = (bw_40MHz) ? ((short_GI) ? 1500 : 1350) : ((short_GI) ? 722 : 650);
 	else if (MCS_rate[0] & BIT(6))
-		max_rate = (bw_40MHz) ? ((short_GI)?1350:1215):((short_GI)?650:585);
+		max_rate = (bw_40MHz) ? ((short_GI) ? 1350 : 1215) : ((short_GI) ? 650 : 585);
 	else if (MCS_rate[0] & BIT(5))
-		max_rate = (bw_40MHz) ? ((short_GI)?1200:1080):((short_GI)?578:520);
+		max_rate = (bw_40MHz) ? ((short_GI) ? 1200 : 1080) : ((short_GI) ? 578 : 520);
 	else if (MCS_rate[0] & BIT(4))
-		max_rate = (bw_40MHz) ? ((short_GI)?900:810):((short_GI)?433:390);
+		max_rate = (bw_40MHz) ? ((short_GI) ? 900 : 810) : ((short_GI) ? 433 : 390);
 	else if (MCS_rate[0] & BIT(3))
-		max_rate = (bw_40MHz) ? ((short_GI)?600:540):((short_GI)?289:260);
+		max_rate = (bw_40MHz) ? ((short_GI) ? 600 : 540) : ((short_GI) ? 289 : 260);
 	else if (MCS_rate[0] & BIT(2))
-		max_rate = (bw_40MHz) ? ((short_GI)?450:405):((short_GI)?217:195);
+		max_rate = (bw_40MHz) ? ((short_GI) ? 450 : 405) : ((short_GI) ? 217 : 195);
 	else if (MCS_rate[0] & BIT(1))
-		max_rate = (bw_40MHz) ? ((short_GI)?300:270):((short_GI)?144:130);
+		max_rate = (bw_40MHz) ? ((short_GI) ? 300 : 270) : ((short_GI) ? 144 : 130);
 	else if (MCS_rate[0] & BIT(0))
-		max_rate = (bw_40MHz) ? ((short_GI)?150:135):((short_GI)?72:65);
+		max_rate = (bw_40MHz) ? ((short_GI) ? 150 : 135) : ((short_GI) ? 72 : 65);
 
 	return max_rate;
 }
-- 
2.53.0


  parent reply	other threads:[~2026-07-15 11:16 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-13 13:34 FAILED: patch "[PATCH] staging: rtl8723bs: fix OOB reads in rtw_get_sec_ie()," failed to apply to 5.10-stable tree gregkh
2026-07-15 11:16 ` [PATCH 5.10.y 01/10] staging: rtl8723bs: remove 5Ghz code blocks Sasha Levin
2026-07-15 11:16   ` [PATCH 5.10.y 02/10] staging: rtl8723bs: remove commented out condition Sasha Levin
2026-07-15 11:16   ` [PATCH 5.10.y 03/10] staging: rtl8723bs: fix camel case in struct wlan_bssid_ex Sasha Levin
2026-07-15 11:16   ` [PATCH 5.10.y 04/10] staging: rtl8723bs: fix camel case in struct wlan_bcn_info Sasha Levin
2026-07-15 11:16   ` [PATCH 5.10.y 05/10] staging: rtl8723bs: remove rf type branching (fourth patch) Sasha Levin
2026-07-15 11:16   ` [PATCH 5.10.y 06/10] staging: rtl8723bs: Remove redundant else branches Sasha Levin
2026-07-15 11:16   ` [PATCH 5.10.y 07/10] staging: rtl8723bs: remove redundant braces in if statements Sasha Levin
2026-07-15 11:16   ` [PATCH 5.10.y 08/10] staging: rtl8723bs: core: move constants to right side in comparison Sasha Levin
2026-07-15 11:16   ` Sasha Levin [this message]
2026-07-15 11:16   ` [PATCH 5.10.y 10/10] staging: rtl8723bs: fix OOB reads in rtw_get_sec_ie(), rtw_get_wapi_ie(), and rtw_get_wps_attr() Sasha Levin

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