diff options
| author | Takashi Iwai <tiwai@suse.de> | 2014-11-11 15:45:57 +0100 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2014-11-19 18:38:16 +0100 |
| commit | 9e7e0e10a13b7754b9a98fbdae557614b05e8875 (patch) | |
| tree | c6177c7f6223dcef1b6748a9ff8c1d2e81e2c3b9 /sound | |
| parent | 9c599f2b9b023abcff31e49dca754bf92170a023 (diff) | |
ALSA: usb-audio: Fix memory leak in FTU quirk
commit 1a290581ded60e87276741f8ca97b161d2b226fc upstream.
M-audio FastTrack Ultra quirk doesn't release the kzalloc'ed memory.
This patch adds the private_free callback to release it properly.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/usb/mixer_quirks.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index d42a584cf829..ea4b9a8a90bd 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -802,6 +802,11 @@ static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl, return changed; } +static void kctl_private_value_free(struct snd_kcontrol *kctl) +{ + kfree((void *)kctl->private_value); +} + static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer, int validx, int bUnitID) { @@ -836,6 +841,7 @@ static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer, return -ENOMEM; } + kctl->private_free = kctl_private_value_free; err = snd_ctl_add(mixer->chip->card, kctl); if (err < 0) return err; |