de_ping 448 samples/qmi/qmi_sample_client.c struct dentry *de_ping; de_ping 493 samples/qmi/qmi_sample_client.c sample->de_ping = debugfs_create_file("ping", 0600, sample->de_dir, de_ping 495 samples/qmi/qmi_sample_client.c if (IS_ERR(sample->de_ping)) { de_ping 496 samples/qmi/qmi_sample_client.c ret = PTR_ERR(sample->de_ping); de_ping 518 samples/qmi/qmi_sample_client.c debugfs_remove(sample->de_ping);