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

From: Philipp Hortmann
Date: Tue Sep 12 2023 - 15:28:31 EST


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