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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>
This commit is contained in:
Liam Girdwood 2017-10-19 17:26:53 +01:00
parent 3eb7a9e9d7
commit d26937b3b7
1 changed files with 4 additions and 0 deletions
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4
src/audio/mixer.c
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@ -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 */