1084 	struct etr_buf *etr_buf = drvdata->sysfs_buf;  in tmc_etr_get_sysfs_trace()
1116 	if (WARN_ON(drvdata->sysfs_buf != etr_buf)) {  in tmc_etr_sync_sysfs_buf()
1117 		tmc_etr_free_sysfs_buf(drvdata->sysfs_buf);  in tmc_etr_sync_sysfs_buf()
1118 		drvdata->sysfs_buf = NULL;  in tmc_etr_sync_sysfs_buf()
1164 	struct etr_buf *sysfs_buf = NULL, *new_buf = NULL, *free_buf = NULL;  in tmc_enable_etr_sink_sysfs()  local
1175 	sysfs_buf = READ_ONCE(drvdata->sysfs_buf);  in tmc_enable_etr_sink_sysfs()
1176 	if (!sysfs_buf || (sysfs_buf->size != drvdata->size)) {  in tmc_enable_etr_sink_sysfs()
1207 	sysfs_buf = READ_ONCE(drvdata->sysfs_buf);  in tmc_enable_etr_sink_sysfs()
1208 	if (!sysfs_buf || (new_buf && sysfs_buf->size != new_buf->size)) {  in tmc_enable_etr_sink_sysfs()
1209 		free_buf = sysfs_buf;  in tmc_enable_etr_sink_sysfs()
1210 		drvdata->sysfs_buf = new_buf;  in tmc_enable_etr_sink_sysfs()
1213 	ret = tmc_etr_enable_hw(drvdata, drvdata->sysfs_buf);  in tmc_enable_etr_sink_sysfs()
1733 	if (!drvdata->sysfs_buf) {  in tmc_read_prepare_etr()
1752 	struct etr_buf *sysfs_buf = NULL;  in tmc_read_unprepare_etr()  local
1773 		sysfs_buf = drvdata->sysfs_buf;  in tmc_read_unprepare_etr()
1774 		drvdata->sysfs_buf = NULL;  in tmc_read_unprepare_etr()
1781 	if (sysfs_buf)  in tmc_read_unprepare_etr()
1782 		tmc_etr_free_sysfs_buf(sysfs_buf);  in tmc_read_unprepare_etr()