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ASoC: Baytrail: fix error handling in sst_byt_dsp_init()
Calling "kfree(byt)" is a double free because that was allocated with
devm_kzalloc(). There were a couple places which leak "byt->msg". That
memory is allocated in msg_empty_list_init().
Fixes: f7d01fd675
('ASoC: Intel: Add Intel Baytrail SST DSP IPC support')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
parent
a6cf8f7b53
commit
9202c37739
@ -796,7 +796,7 @@ int sst_byt_dsp_init(struct device *dev, struct sst_pdata *pdata)
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err = msg_empty_list_init(byt);
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if (err < 0)
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goto list_err;
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return -ENOMEM;
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/* start the IPC message thread */
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init_kthread_worker(&byt->kworker);
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@ -806,7 +806,7 @@ int sst_byt_dsp_init(struct device *dev, struct sst_pdata *pdata)
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if (IS_ERR(byt->tx_thread)) {
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err = PTR_ERR(byt->tx_thread);
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dev_err(byt->dev, "error failed to create message TX task\n");
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goto list_err;
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goto err_free_msg;
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}
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init_kthread_work(&byt->kwork, sst_byt_ipc_tx_msgs);
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@ -816,7 +816,7 @@ int sst_byt_dsp_init(struct device *dev, struct sst_pdata *pdata)
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byt->dsp = sst_dsp_new(dev, &byt_dev, pdata);
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if (byt->dsp == NULL) {
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err = -ENODEV;
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goto list_err;
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goto err_free_msg;
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}
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/* keep the DSP in reset state for base FW loading */
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@ -848,9 +848,9 @@ int sst_byt_dsp_init(struct device *dev, struct sst_pdata *pdata)
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sst_fw_free(byt_sst_fw);
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fw_err:
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sst_dsp_free(byt->dsp);
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err_free_msg:
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kfree(byt->msg);
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list_err:
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kfree(byt);
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return err;
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}
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EXPORT_SYMBOL_GPL(sst_byt_dsp_init);
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