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Commit 9dd73448 authored by Jean-Baptiste Theou's avatar Jean-Baptiste Theou Committed by Mauro Carvalho Chehab
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[media] cx231xx: Fix memory leak 



dma_area needs to be freed when the device is closed.

Based on em23xx-audio.c

Signed-off-by: default avatarJean-Baptiste Theou <jtheou@adeneo-embedded.us>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent aeae69da

drivers/media/usb/cx231xx/cx231xx-audio.c

+5 −0
Original line number Diff line number Diff line
@@ -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) {