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From: Takashi Iwai <tiwai@suse.de>
To: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: liam.r.girdwood@linux.intel.com, alsa-devel@alsa-project.org,
	broonie@kernel.org, vkoul@kernel.org,
	"Amadeusz Sławiński" <amadeuszx.slawinski@intel.com>
Subject: Re: [PATCH 3/7] ASoC: topology: Fix memory leak from soc_tplg_denum_create_texts
Date: Sat, 26 Jan 2019 18:43:26 +0100	[thread overview]
Message-ID: <s5hva2b8gch.wl-tiwai@suse.de> (raw)
In-Reply-To: <20190125200648.12470-4-pierre-louis.bossart@linux.intel.com>

On Fri, 25 Jan 2019 21:06:44 +0100,
Pierre-Louis Bossart wrote:
> 
> From: Amadeusz Sławiński <amadeuszx.slawinski@intel.com>
> 
> dtexts is two dimensional array, so we also need to free it after
> freeing its fields.
> 
> Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@intel.com>
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
> ---
>  sound/soc/soc-topology.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
> index abc2d804d5bf..71bc5b8a9bd3 100644
> --- a/sound/soc/soc-topology.c
> +++ b/sound/soc/soc-topology.c
> @@ -410,6 +410,7 @@ static void remove_enum(struct snd_soc_component *comp,
>  	kfree(dobj->control.dvalues);
>  	for (i = 0; i < se->items; i++)
>  		kfree(dobj->control.dtexts[i]);
> +	kfree(dobj->control.dtexts);
>  	kfree(se);
>  }
>  
> @@ -467,6 +468,7 @@ static void remove_widget(struct snd_soc_component *comp,
>  			kfree(dobj->control.dvalues);
>  			for (j = 0; j < se->items; j++)
>  				kfree(dobj->control.dtexts[j]);
> +			kfree(dobj->control.dtexts);
>  
>  			kfree(se);
>  			kfree(w->kcontrol_news[i].name);
> @@ -1361,6 +1363,7 @@ static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create(
>  		kfree(se->dobj.control.dvalues);
>  		for (j = 0; j < ec->items; j++)
>  			kfree(se->dobj.control.dtexts[j]);
> +		kfree(se->dobj.control.dtexts);
>  
>  		kfree(se);
>  		kfree(kc[i].name);

It's interesting that this patch shows three places doing the very
same thing.  It's worth to make a common helper, I suppose.


thanks,

Takashi
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  reply	other threads:[~2019-01-26 17:43 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-25 20:06 [PATCH 0/7] ASoC: topology: fixes and improvements Pierre-Louis Bossart
2019-01-25 20:06 ` [PATCH 1/7] ASoC: topology: Reduce number of dereferences when accessing dobj Pierre-Louis Bossart
2019-01-25 20:06 ` [PATCH 2/7] ASoC: topology: Remove widgets from dobj list Pierre-Louis Bossart
2019-01-25 20:06 ` [PATCH 3/7] ASoC: topology: Fix memory leak from soc_tplg_denum_create_texts Pierre-Louis Bossart
2019-01-26 17:43   ` Takashi Iwai [this message]
2019-01-28 15:36     ` Pierre-Louis Bossart
2019-01-25 20:06 ` [PATCH 4/7] ASoC: topology: fix memory leak in soc_tplg_dapm_widget_create Pierre-Louis Bossart
2019-01-29 18:12   ` Applied "ASoC: topology: fix memory leak in soc_tplg_dapm_widget_create" to the asoc tree Mark Brown
2019-01-25 20:06 ` [PATCH 5/7] ASoC: topology: add SND_SOC_DOBJ_GRAPH type for dapm routes Pierre-Louis Bossart
2019-01-29 18:12   ` Applied "ASoC: topology: add SND_SOC_DOBJ_GRAPH type for dapm routes" to the asoc tree Mark Brown
2019-01-25 20:06 ` [PATCH 6/7] ASoC: topology: modify dapm route loading routine and add dapm route unloading Pierre-Louis Bossart
2019-01-29 18:12   ` Applied "ASoC: topology: modify dapm route loading routine and add dapm route unloading" to the asoc tree Mark Brown
2019-01-25 20:06 ` [PATCH 7/7] ASoC: topology: unload physical dai link in remove Pierre-Louis Bossart
2019-02-01 13:08   ` Pierre-Louis Bossart

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