diff options
| author | Clemens Ladisch <clemens@ladisch.de> | 2012-05-18 18:00:43 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-06-10 00:36:11 +0900 |
| commit | 22aca500eb55daf5c84bffb001d3cce14da08b08 (patch) | |
| tree | a55f18824c22c4fa38f408ef15c22eeced5e5acb /sound/usb | |
| parent | 58f9c9764228f69ef523dcf5f87d5b587464fb52 (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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/usb')
| -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 0eed6115c2d..67a4d6dbb32 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -699,6 +699,9 @@ 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; |