ASoC: SOF: ipc: Add check for fw_loader ops

Add checks for the mandatory fw_loader ops.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20220425221129.124615-4-ranjani.sridharan@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/ipc.c

@@ -220,6 +220,12 @@ struct snd_sof_ipc *snd_sof_ipc_init(struct snd_sof_dev *sdev)
 		return NULL;
 	}
 
+	if (!ops->fw_loader || !ops->fw_loader->validate ||
+	    !ops->fw_loader->parse_ext_manifest) {
+		dev_err(sdev->dev, "Missing IPC firmware loading ops\n");
+		return NULL;
+	}
+
 	if (!ops->pcm) {
 		dev_err(sdev->dev, "Missing IPC PCM ops\n");
 		return NULL;