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Bluetooth: host: Don't restart scan if connection is pending

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With multiple devices on auto-connect list it is possible that while
having pending connection to device A, device B disconnects. In that
case host should not try to start scan (currently controller doesn't
support concurrent scanning and initiating).

Signed-off-by: Szymon Janc <szymon.janc@codecoup.pl>
This commit is contained in:
Szymon Janc 2018-11-08 12:22:18 +01:00 • committed by Johan Hedberg
commit 602e08c69a
1 changed files with 7 additions and 0 deletions
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7
subsys/bluetooth/host/hci_core.c
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@ -3182,6 +3182,13 @@ int bt_le_scan_update(bool fast_scan)
u16_t interval, window;
struct bt_conn *conn;
/* don't restart scan if we have pending connection */
conn = bt_conn_lookup_state_le(NULL, BT_CONN_CONNECT);
if (conn) {
bt_conn_unref(conn);
return 0;
}
conn = bt_conn_lookup_state_le(NULL, BT_CONN_CONNECT_SCAN);
if (!conn) {
return 0;