From: Krzysztof Kozlowski <[email protected]>
slim_disable_stream() and slim_stream_unprepare() are exported, so add
sanity checks preventing unmatched/invalid calls.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Srinivas Kandagatla <[email protected]>
---
drivers/slimbus/stream.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/slimbus/stream.c b/drivers/slimbus/stream.c
index 7e9c818e66c1..1d6b38657917 100644
--- a/drivers/slimbus/stream.c
+++ b/drivers/slimbus/stream.c
@@ -414,6 +414,9 @@ 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);
@@ -445,6 +448,9 @@ 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]);
--
2.25.1