[PATCH v2 4/8] staging: rtl8192e: Use standard function in rtllib_rx_check_duplicate()

[Philipp Hortmann <philipp.g.hortmann@xxxxxxxxx>]

Use standard function ieee80211_is_beacon() to avoid proprietary code and
to increase readability.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@xxxxxxxxx>
---
v1->v2: Take wrongly removed definition of fc back in.
---
 drivers/staging/rtl8192e/rtllib_rx.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
index 89c8d66765fe..7c16d4db67ad 100644
--- a/drivers/staging/rtl8192e/rtllib_rx.c
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -904,11 +904,9 @@ static int rtllib_rx_check_duplicate(struct rtllib_device *ieee,
 {
 	struct rtllib_hdr_4addr *hdr = (struct rtllib_hdr_4addr *)skb->data;
 	u16 fc, sc;
-	u8 frag, type, stype;
+	u8 frag;
 
 	fc = le16_to_cpu(hdr->frame_ctl);
-	type = WLAN_FC_GET_TYPE(fc);
-	stype = WLAN_FC_GET_STYPE(fc);
 	sc = le16_to_cpu(hdr->seq_ctl);
 	frag = WLAN_GET_SEQ_FRAG(sc);
 
@@ -916,8 +914,7 @@ static int rtllib_rx_check_duplicate(struct rtllib_device *ieee,
 		!ieee->current_network.qos_data.active ||
 		!IsDataFrame(skb->data) ||
 		IsLegacyDataFrame(skb->data)) {
-		if (!((type == RTLLIB_FTYPE_MGMT) &&
-		      (stype == RTLLIB_STYPE_BEACON))) {
+		if (!ieee80211_is_beacon(hdr->frame_ctl)) {
 			if (is_duplicate_packet(ieee, hdr))
 				return -1;
 		}
-- 
2.42.0