This is a note to let you know that I've just added the patch titled
ALSA: usb-audio: Fix memory leak in FTU quirk
to the 3.17-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
alsa-usb-audio-fix-memory-leak-in-ftu-quirk.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 1a290581ded60e87276741f8ca97b161d2b226fc Mon Sep 17 00:00:00 2001
From: Takashi Iwai <[email protected]>
Date: Tue, 11 Nov 2014 15:45:57 +0100
Subject: ALSA: usb-audio: Fix memory leak in FTU quirk
From: Takashi Iwai <[email protected]>
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 <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
sound/usb/mixer_quirks.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -885,6 +885,11 @@ static int snd_ftu_eff_switch_put(struct
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)
{
@@ -919,6 +924,7 @@ static int snd_ftu_create_effect_switch(
return -ENOMEM;
}
+ kctl->private_free = kctl_private_value_free;
err = snd_ctl_add(mixer->chip->card, kctl);
if (err < 0)
return err;
Patches currently in stable-queue which might be from [email protected] are
queue-3.17/net-ppp-don-t-call-bpf_prog_create-in-ppp_lock.patch
queue-3.17/alsa-hda-add-mute-led-control-for-lenovo-ideapad-z560.patch
queue-3.17/alsa-usb-audio-fix-memory-leak-in-ftu-quirk.patch
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