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 <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Martin Kaiser <martin@xxxxxxxxx>
---
Changes in v2
- fixed hdrlen calculation
drivers/staging/r8188eu/core/rtw_recv.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/r8188eu/core/rtw_recv.c b/drivers/staging/r8188eu/core/rtw_recv.c
index cb0f35d7ab98..5b0a66aebff1 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;
--
2.30.2
