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staging: r8188eu: use ieee80211 helper to check for nullfunc frame

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Use the ieee80211_is_nullfunc function from ieee80211.h to check for a
nullfunc frame. This is a data frame whose subtype has bit6 set.

Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220704201654.195574-7-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Martin Kaiser 2022-07-04 22:16:54 +02:00 committed by Greg Kroah-Hartman
parent c82bf6a83e
commit 234cf3971b
1 changed files with 3 additions and 2 deletions
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5
drivers/staging/r8188eu/core/rtw_recv.c
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@ -649,6 +649,7 @@ static int ap2sta_data_frame(
struct sta_info **psta)
{
u8 *ptr = precv_frame->rx_data;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)precv_frame->rx_data;
struct rx_pkt_attrib *pattrib = &precv_frame->attrib;
int ret = _SUCCESS;
struct sta_priv *pstapriv = &adapter->stapriv;
@ -693,8 +694,8 @@ static int ap2sta_data_frame(
goto exit;
}
if (GetFrameSubType(ptr) & BIT(6)) {
/* No data, will not indicate to upper layer, temporily count it here */
if (ieee80211_is_nullfunc(hdr->frame_control)) {
/* We count the nullfunc frame, but we'll not pass it on to higher layers. */
count_rx_stats(adapter, precv_frame, *psta);
ret = RTW_RX_HANDLED;
goto exit;