diff options
| author | Clemens Ladisch <clemens@ladisch.de> | 2012-05-18 18:00:43 +0200 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2012-06-10 14:41:52 +0100 |
| commit | f139d067883637c9ab0091fbca821d01d0890123 (patch) | |
| tree | 843a6eb7ad076d8a1cc20cd2958f5e587730dddf /sound | |
| parent | 168587994af06f0542dbbce9172fdb72ed74567f (diff) | |
ALSA: usb-audio: fix rate_list memory leak
commit 5cd5d7c44990658df6ab49f6253c39617c53b03d upstream.
The array of sample rates is reallocated every time when opening
the PCM device, but was freed only once when unplugging the device.
Reported-by: "Alexander E. Patrakov" <patrakov@gmail.com>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/usb/pcm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 0220b0f335b9..839165fb7e5f 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -698,6 +698,9 @@ static int snd_usb_pcm_check_knot(struct snd_pcm_runtime *runtime, int count = 0, needs_knot = 0; int err; + kfree(subs->rate_list.list); + subs->rate_list.list = NULL; + list_for_each_entry(fp, &subs->fmt_list, list) { if (fp->rates & SNDRV_PCM_RATE_CONTINUOUS) return 0; |