ASoC: SOF: fix debugfs initialisation error handling

If debugfs initialisation fails partially in sof_probe_continue() some
debugfs files and the root directory might have been created
successfully. They have to be cleaned up if some of them failed too.
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Xiuli Pan <xiulipan@outlook.com>
Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210315163932.18663-2-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/core.c

@@ -154,7 +154,7 @@ static int sof_probe_continue(struct snd_sof_dev *sdev)
 	if (ret < 0) {
 		dev_err(sdev->dev, "error: failed to get machine info %d\n",
 			ret);
-		goto dbg_err;
+		goto dsp_err;
 	}
 
 	/* set up platform component driver */
@@ -257,8 +257,9 @@ static int sof_probe_continue(struct snd_sof_dev *sdev)
 fw_load_err:
 	snd_sof_ipc_free(sdev);
 ipc_err:
-	snd_sof_free_debug(sdev);
 dbg_err:
+	snd_sof_free_debug(sdev);
+dsp_err:
 	snd_sof_remove(sdev);
 
 	/* all resources freed, update state to match */