diff --git a/components/bt/host/bluedroid/bta/gatt/bta_gattc_act.c b/components/bt/host/bluedroid/bta/gatt/bta_gattc_act.c index 97b2d47e7c..912da02697 100644 --- a/components/bt/host/bluedroid/bta/gatt/bta_gattc_act.c +++ b/components/bt/host/bluedroid/bta/gatt/bta_gattc_act.c @@ -122,8 +122,11 @@ void bta_gattc_reset_discover_st(tBTA_GATTC_SERV *p_srcb, tBTA_GATT_STATUS statu static void bta_gattc_enable(tBTA_GATTC_CB *p_cb) { APPL_TRACE_DEBUG("bta_gattc_enable"); - - if (p_cb->state == BTA_GATTC_STATE_DISABLED) { + /* This is a workaround because the task priority of btc (BTA_GATTC_CLOSE_EVT + in that task) is lower than the priority of the btu task. + Consequently, the p_cb->state fails to be restored to BTA_GATTC_STATE_DISABLED + and remains in the BTA_GATTC_STATE_DISABLING state. */ + if (p_cb->state == BTA_GATTC_STATE_DISABLED || p_cb->state == BTA_GATTC_STATE_DISABLING) { /* initialize control block */ memset(&bta_gattc_cb, 0, sizeof(tBTA_GATTC_CB)); bta_gattc_cb.auto_disc = true; @@ -158,6 +161,7 @@ void bta_gattc_disable(tBTA_GATTC_CB *p_cb) for (i = 0; i < BTA_GATTC_CL_MAX; i ++) { if (p_cb->cl_rcb[i].in_use) { p_cb->state = BTA_GATTC_STATE_DISABLING; + p_cb->cl_rcb[i].in_use = false; /* don't deregister HH GATT IF */ /* HH GATT IF will be deregistered by bta_hh_le_deregister when disable HH */ #if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE) @@ -200,7 +204,11 @@ void bta_gattc_register(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data) cb_data.reg_oper.status = BTA_GATT_NO_RESOURCES; /* check if GATTC module is already enabled . Else enable */ - if (p_cb->state == BTA_GATTC_STATE_DISABLED) { + /* This is a workaround because the task priority of btc (BTA_GATTC_CLOSE_EVT + in that task) is lower than the priority of the btu task. + Consequently, the p_cb->state fails to be restored to BTA_GATTC_STATE_DISABLED + and remains in the BTA_GATTC_STATE_DISABLING state. */ + if (p_cb->state == BTA_GATTC_STATE_DISABLED || p_cb->state == BTA_GATTC_STATE_DISABLING) { bta_gattc_enable (p_cb); } /* todo need to check duplicate uuid */