From: Srinivas Kandagatla srinivas.kandagatla@linaro.org
[ 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@linaro.org Link: https://lore.kernel.org/r/20211116114721.12517-6-srinivas.kandagatla@linaro.... Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 44eee18c658ae..a5bc7a60d119e 100644 --- a/sound/soc/qcom/qdsp6/q6routing.c +++ b/sound/soc/qcom/qdsp6/q6routing.c @@ -320,6 +320,12 @@ 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);