3359 	char kbuf[16] = {}, *pkbuf;  in hisi_sas_debugfs_bist_linkrate_write()  local
3366 	if (count >= sizeof(kbuf))  in hisi_sas_debugfs_bist_linkrate_write()
3369 	if (copy_from_user(kbuf, buf, count))  in hisi_sas_debugfs_bist_linkrate_write()
3372 	pkbuf = strstrip(kbuf);  in hisi_sas_debugfs_bist_linkrate_write()
3449 	char kbuf[16] = {}, *pkbuf;  in hisi_sas_debugfs_bist_code_mode_write()  local
3456 	if (count >= sizeof(kbuf))  in hisi_sas_debugfs_bist_code_mode_write()
3459 	if (copy_from_user(kbuf, buf, count))  in hisi_sas_debugfs_bist_code_mode_write()
3462 	pkbuf = strstrip(kbuf);  in hisi_sas_debugfs_bist_code_mode_write()
3578 	char kbuf[16] = {}, *pkbuf;  in hisi_sas_debugfs_bist_mode_write()  local
3585 	if (count >= sizeof(kbuf))  in hisi_sas_debugfs_bist_mode_write()
3588 	if (copy_from_user(kbuf, buf, count))  in hisi_sas_debugfs_bist_mode_write()
3591 	pkbuf = strstrip(kbuf);  in hisi_sas_debugfs_bist_mode_write()