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 3.10-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-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 1a290581ded60e87276741f8ca97b161d2b226fc Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@xxxxxxx>
Date: Tue, 11 Nov 2014 15:45:57 +0100
Subject: ALSA: usb-audio: Fix memory leak in FTU quirk
From: Takashi Iwai <tiwai@xxxxxxx>
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@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
sound/usb/mixer_quirks.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -799,6 +799,11 @@ 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)
{
@@ -833,6 +838,7 @@ 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 tiwai@xxxxxxx are
queue-3.10/alsa-usb-audio-fix-memory-leak-in-ftu-quirk.patch
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