[PATCH 2/5] ASoC: dwc: Don't allow negative use counts

[Andrew Jackson]

Signed-off-by: Andrew Jackson <andrew.jack...@arm.com>
---
 sound/soc/dwc/designware_i2s.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/sound/soc/dwc/designware_i2s.c b/sound/soc/dwc/designware_i2s.c
index 08f0229..f8946bd 100644
--- a/sound/soc/dwc/designware_i2s.c
+++ b/sound/soc/dwc/designware_i2s.c
@@ -280,7 +280,8 @@ static int dw_i2s_trigger(struct snd_pcm_substream 
*substream,
        case SNDRV_PCM_TRIGGER_STOP:
        case SNDRV_PCM_TRIGGER_SUSPEND:
        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-               dev->active--;
+               if (dev->active > 0)
+                       dev->active--;
                i2s_stop(dev, substream);
                break;
        default:
-- 
1.7.1

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