dma_area needs to be freed when the device is closed.
Based on em23xx-audio.c
Signed-off-by: Jean-Baptiste Theou <jtheou@xxxxxxxxxxxxxxxxxx>
---
Changes in v2:
- Fix debug trace call
---
drivers/media/usb/cx231xx/cx231xx-audio.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/media/usb/cx231xx/cx231xx-audio.c b/drivers/media/usb/cx231xx/cx231xx-audio.c
index de4ae5e..a6a9508 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) {
--
2.6.4
--
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