diff options
| author | Jean-Baptiste Theou <jtheou@adeneo-embedded.us> | 2016-01-08 20:02:03 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2016-02-01 08:00:47 -0200 |
| commit | 9dd73448c6a98b1971e626627e4b020b8898a3f6 (patch) | |
| tree | 7776bc1d34e1ef80d7d048e739b04247a6da06f0 /drivers/media/usb/cx231xx/cx231xx-audio.c | |
| parent | aeae69daa312246e8f03ed2f6bc792d25a531118 (diff) | |
[media] cx231xx: Fix memory leak
dma_area needs to be freed when the device is closed.
Based on em23xx-audio.c
Signed-off-by: Jean-Baptiste Theou <jtheou@adeneo-embedded.us>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/usb/cx231xx/cx231xx-audio.c')
| -rw-r--r-- | drivers/media/usb/cx231xx/cx231xx-audio.c | 5 |
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) { |