commit: 5cd5d7c44990658df6ab49f6253c39617c53b03d From: Clemens Ladisch <[email protected]> Date: Fri, 18 May 2012 18:00:43 +0200 Subject: ALSA: usb-audio: fix rate_list memory leak
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" <[email protected]> Cc: <[email protected]> Signed-off-by: Clemens Ladisch <[email protected]> Signed-off-by: Takashi Iwai <[email protected]> --- 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 24839d9..cdf8b76 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -788,6 +788,9 @@ 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; -- 1.7.3.4 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
