[Sound-open-firmware] [PATCH] ipc: validate pipeline on stream free IPC.

Make sure we have a valid pipeline for stream free IPC calls.

Signed-off-by: Liam Girdwood liam.r.girdwood@linux.intel.com --- src/ipc/intel-ipc.c | 7 +++++++ 1 file changed, 7 insertions(+)

diff --git a/src/ipc/intel-ipc.c b/src/ipc/intel-ipc.c index 0c1b10a..fb6c846 100644 --- a/src/ipc/intel-ipc.c +++ b/src/ipc/intel-ipc.c @@ -287,6 +287,13 @@ static int ipc_stream_pcm_free(uint32_t header) return -ENODEV; }

+ /* sanity check comp */ + if (pcm_dev->cd->pipeline == NULL) { + trace_ipc_error("eF1"); + trace_value(free_req->comp_id); + return -EINVAL; + } + /* reset the pipeline */ return pipeline_reset(pcm_dev->cd->pipeline, pcm_dev->cd); }