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path: root/drivers/media/usb/cx231xx/cx231xx-audio.c
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Diffstat (limited to 'drivers/media/usb/cx231xx/cx231xx-audio.c')
-rw-r--r--drivers/media/usb/cx231xx/cx231xx-audio.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/media/usb/cx231xx/cx231xx-audio.c b/drivers/media/usb/cx231xx/cx231xx-audio.c
index de4ae5eb4830..a6a9508418f8 100644
--- a/drivers/media/usb/cx231xx/cx231xx-audio.c
+++ b/drivers/media/usb/cx231xx/cx231xx-audio.c
@@ -499,6 +499,11 @@ static int snd_cx231xx_pcm_close(struct snd_pcm_substream *substream)
}
dev->adev.users--;
+ if (substream->runtime->dma_area) {
+ dev_dbg(dev->dev, "freeing\n");
+ vfree(substream->runtime->dma_area);
+ substream->runtime->dma_area = NULL;
+ }
mutex_unlock(&dev->lock);
if (dev->adev.users == 0 && dev->adev.shutdown == 1) {