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components/bt: Consider link_xmit_data_q in congest events to prevent excessive memory usage

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wangcheng 2020-06-13 14:22:30 +08:00
parent e69ee31e1a
commit 3b8b057894
1 changed files with 1 additions and 1 deletions
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components/bt/host/bluedroid/stack/l2cap/l2c_utils.c
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@ -3662,7 +3662,7 @@ void l2cu_check_channel_congestion (tL2C_CCB *p_ccb)
} else {
tL2C_LCB *p_lcb = p_ccb->p_lcb;
/* If this channel was not congested but it is congested now, tell the app */
if ((q_count > p_ccb->buff_quota) || (p_lcb && (p_ccb->local_cid == L2CAP_ATT_CID) && (p_lcb->link_xmit_quota > 0) && (p_lcb->link_xmit_quota <= p_lcb->sent_not_acked))) {
if (q_count > p_ccb->buff_quota || (p_lcb && (p_lcb->link_xmit_data_q) && (list_length(p_lcb->link_xmit_data_q) + q_count) > p_ccb->buff_quota)) {
p_ccb->cong_sent = TRUE;
if (p_ccb->p_rcb && p_ccb->p_rcb->api.pL2CA_CongestionStatus_Cb) {
L2CAP_TRACE_DEBUG ("L2CAP - Calling CongestionStatus_Cb (TRUE),CID:0x%04x,XmitQ:%u,Quota:%u",