slim_disable_stream() and slim_stream_unprepare() are exported, so add sanity checks preventing unmatched/invalid calls. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- drivers/slimbus/stream.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/slimbus/stream.c b/drivers/slimbus/stream.c index 75f87b3d8b95..7bb073ca6006 100644 --- a/drivers/slimbus/stream.c +++ b/drivers/slimbus/stream.c @@ -407,6 +407,9 @@ int slim_stream_disable(struct slim_stream_runtime *stream) struct slim_controller *ctrl = stream->dev->ctrl; int ret, i; + if (!stream->ports || !stream->num_ports) + return -EINVAL; + if (ctrl->disable_stream) ctrl->disable_stream(stream); @@ -438,6 +441,9 @@ int slim_stream_unprepare(struct slim_stream_runtime *stream) { int i; + if (!stream->ports || !stream->num_ports) + return -EINVAL; + for (i = 0; i < stream->num_ports; i++) slim_disconnect_port(stream, &stream->ports[i]); -- 2.34.1