From: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx> [ Upstream commit 6712c2e18c06b0976559fd4bd47774b243038e9c ] Validate port id before it starts sending commands to dsp this would make error handling simpler. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx> Link: https://lore.kernel.org/r/20211116114721.12517-6-srinivas.kandagatla@xxxxxxxxxx Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- sound/soc/qcom/qdsp6/q6routing.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sound/soc/qcom/qdsp6/q6routing.c b/sound/soc/qcom/qdsp6/q6routing.c index 3390ebef9549d..ff81553b13362 100644 --- a/sound/soc/qcom/qdsp6/q6routing.c +++ b/sound/soc/qcom/qdsp6/q6routing.c @@ -372,6 +372,12 @@ int q6routing_stream_open(int fedai_id, int perf_mode, } session = &routing_data->sessions[stream_id - 1]; + if (session->port_id < 0) { + dev_err(routing_data->dev, "Routing not setup for MultiMedia%d Session\n", + session->fedai_id); + return -EINVAL; + } + pdata = &routing_data->port_data[session->port_id]; mutex_lock(&routing_data->lock); -- 2.33.0
