From: Martin Kaiser Date: Mon, 7 Nov 2022 20:28:22 +0000 (+0100) Subject: staging: r8188eu: use a qos_hdr in validate_recv_data_frame X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d54b6ac14d3f1ac033fe88a7f9935ba9f1f47077;p=linux.git staging: r8188eu: use a qos_hdr in validate_recv_data_frame Define a struct ieee80211_qos_hdr in the validate_recv_data_frame function. Use this struct to replace some numeric offsets and make the code easier to understand. Reported-by: Dan Carpenter Signed-off-by: Martin Kaiser Link: https://lore.kernel.org/r/20221107202824.61431-2-martin@kaiser.cx Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/r8188eu/core/rtw_recv.c b/drivers/staging/r8188eu/core/rtw_recv.c index cb0f35d7ab98d..5b0a66aebff19 100644 --- a/drivers/staging/r8188eu/core/rtw_recv.c +++ b/drivers/staging/r8188eu/core/rtw_recv.c @@ -1032,7 +1032,6 @@ static int validate_recv_data_frame(struct adapter *adapter, struct recv_frame *precv_frame) { struct sta_info *psta = NULL; - 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; struct security_priv *psecuritypriv = &adapter->securitypriv; @@ -1071,10 +1070,12 @@ static int validate_recv_data_frame(struct adapter *adapter, pattrib->ack_policy = 0; /* parsing QC field */ if (pattrib->qos) { + struct ieee80211_qos_hdr *qos_hdr = (struct ieee80211_qos_hdr *)hdr; + pattrib->priority = ieee80211_get_tid(hdr); - pattrib->ack_policy = GetAckpolicy((ptr + 24)); - pattrib->amsdu = GetAMsdu((ptr + 24)); - pattrib->hdrlen = 26; + pattrib->ack_policy = GetAckpolicy(&qos_hdr->qos_ctrl); + pattrib->amsdu = GetAMsdu(&qos_hdr->qos_ctrl); + pattrib->hdrlen = sizeof(*qos_hdr); if (pattrib->priority != 0 && pattrib->priority != 3) adapter->recvpriv.bIsAnyNonBEPkts = true;