linux-kernel - [PATCH 12/41] staging: r8188eu: remove rtw_action_frame

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Date:   Wed, 24 Aug 2016 15:20:56 +0700
From:   Ivan Safonov <insafonov@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Binoy Jayan <binoy.jayan@...aro.org>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Cc:     Ivan Safonov <insafonov@...il.com>
Subject: [PATCH 12/41] staging: r8188eu: remove rtw_action_frame_parse
 function

Driver does not use this function.

Signed-off-by: Ivan Safonov <insafonov@...il.com>
---
 drivers/staging/rtl8188eu/core/rtw_ieee80211.c | 29 --------------------------
 drivers/staging/rtl8188eu/include/ieee80211.h  |  2 --
 2 files changed, 31 deletions(-)

diff --git a/drivers/staging/rtl8188eu/core/rtw_ieee80211.c b/drivers/staging/rtl8188eu/core/rtw_ieee80211.c
index f3e9f7e..fac1241 100644
--- a/drivers/staging/rtl8188eu/core/rtw_ieee80211.c
+++ b/drivers/staging/rtl8188eu/core/rtw_ieee80211.c
@@ -1155,35 +1155,6 @@ u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40, unsign
 	return max_rate;
 }
 
-int rtw_action_frame_parse(const u8 *frame, u32 frame_len, u8 *category, u8 *action)
-{
-	const u8 *frame_body = frame + sizeof(struct rtw_ieee80211_hdr_3addr);
-	u16 fc;
-	u8 c, a = 0;
-
-	fc = le16_to_cpu(((struct rtw_ieee80211_hdr_3addr *)frame)->frame_ctl);
-
-	if ((fc & (RTW_IEEE80211_FCTL_FTYPE | RTW_IEEE80211_FCTL_STYPE)) !=
-	    (RTW_IEEE80211_FTYPE_MGMT | RTW_IEEE80211_STYPE_ACTION))
-		return false;
-
-	c = frame_body[0];
-
-	switch (c) {
-	case RTW_WLAN_CATEGORY_P2P: /* vendor-specific */
-		break;
-	default:
-		a = frame_body[1];
-	}
-
-	if (category)
-		*category = c;
-	if (action)
-		*action = a;
-
-	return true;
-}
-
 static const char *_action_public_str[] = {
 	"ACT_PUB_BSSCOEXIST",
 	"ACT_PUB_DSE_ENABLE",
diff --git a/drivers/staging/rtl8188eu/include/ieee80211.h b/drivers/staging/rtl8188eu/include/ieee80211.h
index 375a7a4..8a3176f 100644
--- a/drivers/staging/rtl8188eu/include/ieee80211.h
+++ b/drivers/staging/rtl8188eu/include/ieee80211.h
@@ -1152,8 +1152,6 @@ void rtw_macaddr_cfg(u8 *mac_addr);
 u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40,
 		 unsigned char *MCS_rate);
 
-int rtw_action_frame_parse(const u8 *frame, u32 frame_len, u8 *category,
-			   u8 *action);
 const char *action_public_str(u8 action);
 
 #endif /* IEEE80211_H */
-- 
2.7.3