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Revert "staging: rtl8723bs: remove possible deadlock when disconnect" 

This reverts commit 78a1614a81.

There's been attempts to fix this, but it's not quite right yet, so just
remove the original commit.

Link: https://lore.kernel.org/r/20210913130346.2390-1-fabioaiuto83@gmail.com
Cc: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Fabio Aiuto <fabioaiuto83@gmail.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2021-09-17 16:25:33 +02:00
parent cc5e3fff9a
commit ea2054baad
4 changed files with 20 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
View File

@ -5919,6 +5919,7 @@ u8 chk_bmc_sleepq_hdl(struct adapter *padapter, unsigned char *pbuf)
struct sta_info *psta_bmc;
struct list_head *xmitframe_plist, *xmitframe_phead, *tmp;
struct xmit_frame *pxmitframe = NULL;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct sta_priv *pstapriv = &padapter->stapriv;
/* for BC/MC Frames */
@ -5929,7 +5930,8 @@ u8 chk_bmc_sleepq_hdl(struct adapter *padapter, unsigned char *pbuf)
if ((pstapriv->tim_bitmap&BIT(0)) && (psta_bmc->sleepq_len > 0)) {
msleep(10);/* 10ms, ATIM(HIQ) Windows */
spin_lock_bh(&psta_bmc->sleep_q.lock);
/* spin_lock_bh(&psta_bmc->sleep_q.lock); */
spin_lock_bh(&pxmitpriv->lock);
xmitframe_phead = get_list_head(&psta_bmc->sleep_q);
list_for_each_safe(xmitframe_plist, tmp, xmitframe_phead) {
@ -5952,7 +5954,8 @@ u8 chk_bmc_sleepq_hdl(struct adapter *padapter, unsigned char *pbuf)
rtw_hal_xmitframe_enqueue(padapter, pxmitframe);
}
spin_unlock_bh(&psta_bmc->sleep_q.lock);
/* spin_unlock_bh(&psta_bmc->sleep_q.lock); */
spin_unlock_bh(&pxmitpriv->lock);
/* check hi queue and bmc_sleepq */
rtw_chk_hi_queue_cmd(padapter);

10
drivers/staging/rtl8723bs/core/rtw_recv.c
View File

@ -957,8 +957,10 @@ static signed int validate_recv_ctrl_frame(struct adapter *padapter, union recv_
if ((psta->state&WIFI_SLEEP_STATE) && (pstapriv->sta_dz_bitmap&BIT(psta->aid))) {
struct list_head *xmitframe_plist, *xmitframe_phead;
struct xmit_frame *pxmitframe = NULL;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
spin_lock_bh(&psta->sleep_q.lock);
/* spin_lock_bh(&psta->sleep_q.lock); */
spin_lock_bh(&pxmitpriv->lock);
xmitframe_phead = get_list_head(&psta->sleep_q);
xmitframe_plist = get_next(xmitframe_phead);
@ -989,10 +991,12 @@ static signed int validate_recv_ctrl_frame(struct adapter *padapter, union recv_
update_beacon(padapter, WLAN_EID_TIM, NULL, true);
}
spin_unlock_bh(&psta->sleep_q.lock);
/* spin_unlock_bh(&psta->sleep_q.lock); */
spin_unlock_bh(&pxmitpriv->lock);
} else {
spin_unlock_bh(&psta->sleep_q.lock);
/* spin_unlock_bh(&psta->sleep_q.lock); */
spin_unlock_bh(&pxmitpriv->lock);
if (pstapriv->tim_bitmap&BIT(psta->aid)) {
if (psta->sleepq_len == 0) {

13
drivers/staging/rtl8723bs/core/rtw_xmit.c
View File

@ -1797,7 +1797,6 @@ s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe)
struct sta_info *psta;
struct tx_servq *ptxservq;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
struct xmit_priv *xmit_priv = &padapter->xmitpriv;
struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
signed int res = _SUCCESS;
@ -1815,14 +1814,12 @@ s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe)
ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
spin_lock_bh(&xmit_priv->lock);
if (list_empty(&ptxservq->tx_pending))
list_add_tail(&ptxservq->tx_pending, get_list_head(phwxmits[ac_index].sta_queue));
list_add_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending));
ptxservq->qcnt++;
phwxmits[ac_index].accnt++;
spin_unlock_bh(&xmit_priv->lock);
exit:
@ -2205,10 +2202,11 @@ void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta)
struct list_head *xmitframe_plist, *xmitframe_phead, *tmp;
struct xmit_frame *pxmitframe = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
psta_bmc = rtw_get_bcmc_stainfo(padapter);
spin_lock_bh(&psta->sleep_q.lock);
spin_lock_bh(&pxmitpriv->lock);
xmitframe_phead = get_list_head(&psta->sleep_q);
list_for_each_safe(xmitframe_plist, tmp, xmitframe_phead) {
@ -2309,7 +2307,7 @@ void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta)
_exit:
spin_unlock_bh(&psta->sleep_q.lock);
spin_unlock_bh(&pxmitpriv->lock);
if (update_mask)
update_beacon(padapter, WLAN_EID_TIM, NULL, true);
@ -2321,8 +2319,9 @@ void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *pst
struct list_head *xmitframe_plist, *xmitframe_phead, *tmp;
struct xmit_frame *pxmitframe = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
spin_lock_bh(&psta->sleep_q.lock);
spin_lock_bh(&pxmitpriv->lock);
xmitframe_phead = get_list_head(&psta->sleep_q);
list_for_each_safe(xmitframe_plist, tmp, xmitframe_phead) {
@ -2375,7 +2374,7 @@ void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *pst
}
}
spin_unlock_bh(&psta->sleep_q.lock);
spin_unlock_bh(&pxmitpriv->lock);
}
void enqueue_pending_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)

2
drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c
View File

@ -507,7 +507,9 @@ s32 rtl8723bs_hal_xmit(
rtw_issue_addbareq_cmd(padapter, pxmitframe);
}
spin_lock_bh(&pxmitpriv->lock);
err = rtw_xmitframe_enqueue(padapter, pxmitframe);
spin_unlock_bh(&pxmitpriv->lock);
if (err != _SUCCESS) {
rtw_free_xmitframe(pxmitpriv, pxmitframe);