[PATCH 1/7] staging: r8188eu: use ieee80211 define for version check

Martin Kaiser
2022-03-23T07:49:11Z

Use the IEEE80211_FCTL_VERS define to check the version number
of a received frame.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
---
drivers/staging/r8188eu/core/rtw_recv.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_recv.c b/drivers/staging/r8188eu/core/rtw_recv.c
index 8800ea4825ff..524a00345501 100644
--- a/drivers/staging/r8188eu/core/rtw_recv.c
+++ b/drivers/staging/r8188eu/core/rtw_recv.c
@@ -1063,7 +1063,6 @@ static int validate_recv_frame(struct adapter *adapter, struct recv_frame *precv
struct rx_pkt_attrib *pattrib = &precv_frame->attrib;
u8 *ptr = precv_frame->rx_data;
__le16 fc = *(__le16 *)ptr;
- u8 ver = (unsigned char)(*ptr) & 0x3;
struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;

if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) {
@@ -1072,8 +1071,7 @@ static int validate_recv_frame(struct adapter *adapter, struct recv_frame *precv
pmlmeext->channel_set[ch_set_idx].rx_count++;
}

- /* add version chk */
- if (ver != 0)
+ if ((fc & IEEE80211_FCTL_VERS) != 0)
return _FAIL;

pattrib->to_fr_ds = get_tofr_ds(ptr);
--
2.30.2