[PATCH 2/5] staging: r8188eu: don't check the category in OnAction_back

From: Martin Kaiser
Date: Sun May 08 2022 - 12:15:18 EST


Do not check the category in OnAction_back. OnAction has already checked
the category before calling OnAction_back.

Signed-off-by: Martin Kaiser <martin@xxxxxxxxx>
---
drivers/staging/r8188eu/core/rtw_mlme_ext.c | 76 ++++++++++-----------
1 file changed, 37 insertions(+), 39 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
index 2f67e3c08191..1543ba17c559 100644
--- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
@@ -1471,7 +1471,7 @@ unsigned int OnAction_back(struct adapter *padapter, struct recv_frame *precv_fr
struct sta_info *psta = NULL;
struct recv_reorder_ctrl *preorder_ctrl;
unsigned char *frame_body;
- unsigned char category, action;
+ unsigned char action;
unsigned short tid, status;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
@@ -1492,47 +1492,45 @@ unsigned int OnAction_back(struct adapter *padapter, struct recv_frame *precv_fr

frame_body = (unsigned char *)(pframe + sizeof(struct ieee80211_hdr_3addr));

- category = frame_body[0];
- if (category == WLAN_CATEGORY_BACK) { /* representing Block Ack */
- if (!pmlmeinfo->HT_enable)
- return _SUCCESS;
- action = frame_body[1];
- switch (action) {
- case RTW_WLAN_ACTION_ADDBA_REQ: /* ADDBA request */
- memcpy(&pmlmeinfo->ADDBA_req, &frame_body[2], sizeof(struct ADDBA_request));
- process_addba_req(padapter, (u8 *)&pmlmeinfo->ADDBA_req, mgmt->sa);
+ if (!pmlmeinfo->HT_enable)
+ return _SUCCESS;
+ action = frame_body[1];
+ switch (action) {
+ case RTW_WLAN_ACTION_ADDBA_REQ: /* ADDBA request */
+ memcpy(&pmlmeinfo->ADDBA_req, &frame_body[2], sizeof(struct ADDBA_request));
+ process_addba_req(padapter, (u8 *)&pmlmeinfo->ADDBA_req, mgmt->sa);

- if (pmlmeinfo->bAcceptAddbaReq)
- issue_action_BA(padapter, mgmt->sa, RTW_WLAN_ACTION_ADDBA_RESP, 0);
- else
- issue_action_BA(padapter, mgmt->sa, RTW_WLAN_ACTION_ADDBA_RESP, 37);/* reject ADDBA Req */
- break;
- case RTW_WLAN_ACTION_ADDBA_RESP: /* ADDBA response */
- status = get_unaligned_le16(&frame_body[3]);
- tid = ((frame_body[5] >> 2) & 0x7);
- if (status == 0) { /* successful */
- psta->htpriv.agg_enable_bitmap |= 1 << tid;
- psta->htpriv.candidate_tid_bitmap &= ~BIT(tid);
- } else {
- psta->htpriv.agg_enable_bitmap &= ~BIT(tid);
- }
- break;
- case RTW_WLAN_ACTION_DELBA: /* DELBA */
- if ((frame_body[3] & BIT(3)) == 0) {
- psta->htpriv.agg_enable_bitmap &= ~(1 << ((frame_body[3] >> 4) & 0xf));
- psta->htpriv.candidate_tid_bitmap &= ~(1 << ((frame_body[3] >> 4) & 0xf));
- } else if ((frame_body[3] & BIT(3)) == BIT(3)) {
- tid = (frame_body[3] >> 4) & 0x0F;
- preorder_ctrl = &psta->recvreorder_ctrl[tid];
- preorder_ctrl->enable = false;
- preorder_ctrl->indicate_seq = 0xffff;
- }
- /* todo: how to notify the host while receiving DELETE BA */
- break;
- default:
- break;
+ if (pmlmeinfo->bAcceptAddbaReq)
+ issue_action_BA(padapter, mgmt->sa, RTW_WLAN_ACTION_ADDBA_RESP, 0);
+ else
+ issue_action_BA(padapter, mgmt->sa, RTW_WLAN_ACTION_ADDBA_RESP, 37);/* reject ADDBA Req */
+ break;
+ case RTW_WLAN_ACTION_ADDBA_RESP: /* ADDBA response */
+ status = get_unaligned_le16(&frame_body[3]);
+ tid = ((frame_body[5] >> 2) & 0x7);
+ if (status == 0) { /* successful */
+ psta->htpriv.agg_enable_bitmap |= 1 << tid;
+ psta->htpriv.candidate_tid_bitmap &= ~BIT(tid);
+ } else {
+ psta->htpriv.agg_enable_bitmap &= ~BIT(tid);
}
+ break;
+ case RTW_WLAN_ACTION_DELBA: /* DELBA */
+ if ((frame_body[3] & BIT(3)) == 0) {
+ psta->htpriv.agg_enable_bitmap &= ~(1 << ((frame_body[3] >> 4) & 0xf));
+ psta->htpriv.candidate_tid_bitmap &= ~(1 << ((frame_body[3] >> 4) & 0xf));
+ } else if ((frame_body[3] & BIT(3)) == BIT(3)) {
+ tid = (frame_body[3] >> 4) & 0x0F;
+ preorder_ctrl = &psta->recvreorder_ctrl[tid];
+ preorder_ctrl->enable = false;
+ preorder_ctrl->indicate_seq = 0xffff;
+ }
+ /* todo: how to notify the host while receiving DELETE BA */
+ break;
+ default:
+ break;
}
+
return _SUCCESS;
}

--
2.30.2