Fix a crash in QBluetoothSocket on reconnection attempt (BlueZ)

Ensure a native socket is obtained after QBluetoothSocket has been closed.

[ChangeLog][QtBluetooth][QBluetoothSocket] Fixed a crash on reconnect.

Change-Id: I9f470d23366250dc20ad3305ddec16300c1ad8ec
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/bluetooth/qbluetoothsocket_bluez.cpp b/src/bluetooth/qbluetoothsocket_bluez.cpp
index 7ff96dd9..b9ed73a6 100644
--- a/src/bluetooth/qbluetoothsocket_bluez.cpp
+++ b/src/bluetooth/qbluetoothsocket_bluez.cpp
@@ -134,6 +134,12 @@ void QBluetoothSocketPrivate::connectToService(const QBluetoothAddress &address,
     Q_UNUSED(openMode);
     int result = -1;
 
+    if (socket == -1 && !ensureNativeSocket(socketType)) {
+        errorString = QObject::tr("Unknown socket error");
+        q->setSocketError(QBluetoothSocket::UnknownSocketError);
+        return;
+    }
+
     if (socketType == QBluetoothServiceInfo::RfcommProtocol) {
         sockaddr_rc addr;