ASoC: SOF: sof-client-ipc-test: Block the test if the firmware has crashed

Do not allow the test to be started if the firmware is in crashed state.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>

Author: ujfalusi

sound/soc/sof/sof-client-ipc-test.c

@@ -33,8 +33,12 @@ struct sof_ipc_client_data {
 
 static int sof_ipc_dfsentry_open(struct inode *inode, struct file *file)
 {
+	struct sof_client_dev *cdev = inode->i_private;
 	int ret;
 
+	if (sof_client_get_fw_state(cdev) == SOF_FW_CRASHED)
+		return -ENODEV;
+
 	ret = debugfs_file_get(file->f_path.dentry);
 	if (unlikely(ret))
 		return ret;