[Sound-open-firmware] [PATCH] mixer: make sure mixer does not overflow sources.

Add protection to make sure we don't overflow the number of sources.

Signed-off-by: Liam Girdwood liam.r.girdwood@linux.intel.com --- src/audio/mixer.c | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/src/audio/mixer.c b/src/audio/mixer.c index cf265a7..41f1d88 100644 --- a/src/audio/mixer.c +++ b/src/audio/mixer.c @@ -233,6 +233,10 @@ static int mixer_copy(struct comp_dev *dev) /* only mix the sources with the same state with mixer */ if (source->source->state == dev->state) sources[num_mix_sources++] = source; + + /* too many sources ? */ + if (num_mix_sources == PLATFORM_MAX_STREAMS - 1) + return 0; }

/* dont have any work if all sources are inactive */