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Commit c77ceb7f authored by Łukasz Rymanowski's avatar Łukasz Rymanowski
Browse files

gatt: Disconnected device if there is out of resources issue 

When remote devices connects but it turns out there is no resources to
handle another gatt connection, ACL should be dropped to avoid non
functional device to be connected

Bug: 325438660
Bug: 325929235
Test: mmm packages/modules/Bluetooth
Test: Manual decrease GATT_MAX_PHY_CHANNEL to 1 and verify connection 2
devices.

Change-Id: I823a56c60f033485df17756208fe12b8ca1ba790
parent 124fb75a

system/stack/gatt/gatt_main.cc

+8 −0
Original line number Diff line number Diff line
@@ -45,6 +45,7 @@ 
#include "stack/btm/btm_sec.h"

#include "stack/eatt/eatt.h"

#include "stack/gatt/gatt_int.h"

#include "stack/include/acl_api.h"

#include "stack/include/bt_hdr.h"

#include "stack/include/bt_psm_types.h"

#include "stack/include/bt_types.h"
@@ -526,6 +527,13 @@ static void gatt_le_connect_cback(uint16_t chan, const RawAddress& bd_addr, 
    p_tcb = gatt_allocate_tcb_by_bdaddr(bd_addr, BT_TRANSPORT_LE);

    if (!p_tcb) {

      log::error("CCB max out, no rsources");

      if (IS_FLAG_ENABLED(gatt_drop_acl_on_out_of_resources_fix)) {

        log::error("Disconnecting address:{} due to out of resources.",

                   ADDRESS_TO_LOGGABLE_CSTR(bd_addr));

        // When single FIXED channel cannot be created, there is no reason to

        // keep the link

        btm_remove_acl(bd_addr, transport);

      }

      return;

    }