ASoC: wm_adsp: free memory when unloaded or closed
The patch adds a wm_adsp2_remove() function to ensure that memory is freed when the driver is unloaded or shut down. Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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2ab8e744a4
Коммит
66225e98b9
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@ -944,6 +944,13 @@ static void wm_adsp_ctl_work(struct work_struct *work)
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kfree(ctl_work);
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}
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static void wm_adsp_free_ctl_blk(struct wm_coeff_ctl *ctl)
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{
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kfree(ctl->cache);
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kfree(ctl->name);
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kfree(ctl);
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}
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static int wm_adsp_create_control(struct wm_adsp *dsp,
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const struct wm_adsp_alg_region *alg_region,
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unsigned int offset, unsigned int len,
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@ -2340,6 +2347,19 @@ int wm_adsp2_init(struct wm_adsp *dsp)
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}
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EXPORT_SYMBOL_GPL(wm_adsp2_init);
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void wm_adsp2_remove(struct wm_adsp *dsp)
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{
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struct wm_coeff_ctl *ctl;
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while (!list_empty(&dsp->ctl_list)) {
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ctl = list_first_entry(&dsp->ctl_list, struct wm_coeff_ctl,
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list);
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list_del(&ctl->list);
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wm_adsp_free_ctl_blk(ctl);
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}
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}
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EXPORT_SYMBOL_GPL(wm_adsp2_remove);
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int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream)
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{
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struct wm_adsp_compr *compr;
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@ -92,6 +92,7 @@ extern const struct snd_kcontrol_new wm_adsp_fw_controls[];
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int wm_adsp1_init(struct wm_adsp *dsp);
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int wm_adsp2_init(struct wm_adsp *dsp);
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void wm_adsp2_remove(struct wm_adsp *dsp);
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int wm_adsp2_codec_probe(struct wm_adsp *dsp, struct snd_soc_codec *codec);
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int wm_adsp2_codec_remove(struct wm_adsp *dsp, struct snd_soc_codec *codec);
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int wm_adsp1_event(struct snd_soc_dapm_widget *w,
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