staging: r8188eu: use ieee80211 helper to check for pspoll

Use the ieee80211 helper to check if our incoming ctrl frame is a
pspoll frame.

We can drop the initial ctrl frame check as ieee80211_is_pspoll
checks for a control frame with subtype pspoll.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220403164526.357371-3-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/r8188eu/core/rtw_recv.c b/drivers/staging/r8188eu/core/rtw_recv.c
index 931bd81..74fe2d7 100644 (file)
--- a/drivers/staging/r8188eu/core/rtw_recv.c
+++ b/drivers/staging/r8188eu/core/rtw_recv.c
@@ -804,15 +804,12 @@ static void validate_recv_ctrl_frame(struct adapter *padapter,
        __le16 fc = *(__le16 *)pframe;
        /* uint len = precv_frame->len; */
 
-       if (!ieee80211_is_ctl(fc))
-               return;
-
        /* receive the frames that ra(a1) is my address */
        if (memcmp(GetAddr1Ptr(pframe), myid(&padapter->eeprompriv), ETH_ALEN))
                return;
 
        /* only handle ps-poll */
-       if (GetFrameSubType(pframe) == WIFI_PSPOLL) {
+       if (ieee80211_is_pspoll(fc)) {
                u16 aid;
                u8 wmmps_ac = 0;
                struct sta_info *psta = NULL;