qt-ble: purge pending read data when writing

This should never happen, since our interface is bassically synchronous,
but it could happen with delayed replies that came in just after we
decided to re-transmit a command.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/core/qt-ble.cpp b/core/qt-ble.cpp
index 7556b01f8..2d1de1408 100644
--- a/core/qt-ble.cpp
+++ b/core/qt-ble.cpp
@@ -155,6 +155,9 @@ dc_status_t BLEObject::write(const void *data, size_t size, size_t *actual)
 
 	if (!receivedPackets.isEmpty()) {
 		qDebug() << ".. write HIT with still incoming packets in queue";
+		do {
+			receivedPackets.takeFirst();
+		} while (!receivedPackets.isEmpty());
 	}
 
 	QList<QLowEnergyCharacteristic> list = preferredService()->characteristics();