linux-kernel - [PATCH 5/5] staging: r8188eu: use ieee80211 helper for protected bit

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Date:   Sat, 26 Nov 2022 16:42:53 +0100
From:   Martin Kaiser <martin@...ser.cx>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Michael Straube <straube.linux@...il.com>,
        Pavel Skripkin <paskripkin@...il.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Martin Kaiser <martin@...ser.cx>
Subject: [PATCH 5/5] staging: r8188eu: use ieee80211 helper for protected bit

Use ieee80211_has_protected to check if the "protected" bit is set. Remove
the r8188eu driver's internal macro for this check.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
 drivers/staging/r8188eu/core/rtw_mlme_ext.c | 2 +-
 drivers/staging/r8188eu/include/wifi.h      | 3 ---
 2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
index 667f54e313ef..93696892ec7d 100644
--- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
@@ -809,7 +809,7 @@ static void OnAuthClient(struct adapter *padapter, struct recv_frame *precv_fram
 	if (!(pmlmeinfo->state & WIFI_FW_AUTH_STATE))
 		return;
 
-	offset = (GetPrivacy(pframe)) ? 4 : 0;
+	offset = ieee80211_has_protected(hdr->frame_control) ? 4 : 0;
 
 	seq	= le16_to_cpu(*(__le16 *)((size_t)pframe + WLAN_HDR_A3_LEN + offset + 2));
 	status	= le16_to_cpu(*(__le16 *)((size_t)pframe + WLAN_HDR_A3_LEN + offset + 4));
diff --git a/drivers/staging/r8188eu/include/wifi.h b/drivers/staging/r8188eu/include/wifi.h
index 2381c519ceaf..254a4bc1a141 100644
--- a/drivers/staging/r8188eu/include/wifi.h
+++ b/drivers/staging/r8188eu/include/wifi.h
@@ -170,9 +170,6 @@ enum WIFI_REG_DOMAIN {
 #define SetPrivacy(pbuf)	\
 	*(__le16 *)(pbuf) |= cpu_to_le16(_PRIVACY_)
 
-#define GetPrivacy(pbuf)					\
-	(((*(__le16 *)(pbuf)) & cpu_to_le16(_PRIVACY_)) != 0)
-
 #define GetFrameType(pbuf)				\
 	(le16_to_cpu(*(__le16 *)(pbuf)) & (BIT(3) | BIT(2)))
 
-- 
2.30.2