373 void pstore_record_init(struct pstore_record *record,  in pstore_record_init()  argument
376 	memset(record, 0, sizeof(*record));  in pstore_record_init()
378 	record->psi = psinfo;  in pstore_record_init()
381 	record->time = ns_to_timespec64(ktime_get_real_fast_ns());  in pstore_record_init()
418 		struct pstore_record record;  in pstore_dump()  local
420 		pstore_record_init(&record, psinfo);  in pstore_dump()
421 		record.type = PSTORE_TYPE_DMESG;  in pstore_dump()
422 		record.count = oopscount;  in pstore_dump()
423 		record.reason = reason;  in pstore_dump()
424 		record.part = part;  in pstore_dump()
425 		record.buf = psinfo->buf;  in pstore_dump()
451 				record.compressed = true;  in pstore_dump()
452 				record.size = zipped_len;  in pstore_dump()
454 				record.size = copy_kmsg_to_buffer(header_size,  in pstore_dump()
458 			record.size = header_size + dump_size;  in pstore_dump()
461 		ret = psinfo->write(&record);  in pstore_dump()
465 		total += record.size;  in pstore_dump()
492 	struct pstore_record record;  in pstore_console_write()  local
497 	pstore_record_init(&record, psinfo);  in pstore_console_write()
498 	record.type = PSTORE_TYPE_CONSOLE;  in pstore_console_write()
500 	record.buf = (char *)s;  in pstore_console_write()
501 	record.size = c;  in pstore_console_write()
502 	psinfo->write(&record);  in pstore_console_write()
526 static int pstore_write_user_compat(struct pstore_record *record,  in pstore_write_user_compat()  argument
531 	if (record->buf)  in pstore_write_user_compat()
534 	record->buf = memdup_user(buf, record->size);  in pstore_write_user_compat()
535 	if (IS_ERR(record->buf)) {  in pstore_write_user_compat()
536 		ret = PTR_ERR(record->buf);  in pstore_write_user_compat()
540 	ret = record->psi->write(record);  in pstore_write_user_compat()
542 	kfree(record->buf);  in pstore_write_user_compat()
544 	record->buf = NULL;  in pstore_write_user_compat()
546 	return unlikely(ret < 0) ? ret : record->size;  in pstore_write_user_compat()
658 static void decompress_record(struct pstore_record *record)  in decompress_record()  argument
664 	if (!record->compressed)  in decompress_record()
668 	if (record->type != PSTORE_TYPE_DMESG) {  in decompress_record()
669 		pr_warn("ignored compressed record type %d\n", record->type);  in decompress_record()
681 	workspace = kmalloc(unzipped_len + record->ecc_notice_size,  in decompress_record()
687 	ret = crypto_comp_decompress(tfm, record->buf, record->size,  in decompress_record()
696 	memcpy(workspace + unzipped_len, record->buf + record->size,  in decompress_record()
697 	       record->ecc_notice_size);  in decompress_record()
700 	unzipped = kmemdup(workspace, unzipped_len + record->ecc_notice_size,  in decompress_record()
707 	kfree(record->buf);  in decompress_record()
708 	record->buf = unzipped;  in decompress_record()
709 	record->size = unzipped_len;  in decompress_record()
710 	record->compressed = false;  in decompress_record()
738 		struct pstore_record *record;  in pstore_get_backend_records()  local
741 		record = kzalloc(sizeof(*record), GFP_KERNEL);  in pstore_get_backend_records()
742 		if (!record) {  in pstore_get_backend_records()
746 		pstore_record_init(record, psi);  in pstore_get_backend_records()
748 		record->size = psi->read(record);  in pstore_get_backend_records()
751 		if (record->size <= 0) {  in pstore_get_backend_records()
752 			kfree(record);  in pstore_get_backend_records()
756 		decompress_record(record);  in pstore_get_backend_records()
757 		rc = pstore_mkfile(root, record);  in pstore_get_backend_records()
760 			kfree(record->buf);  in pstore_get_backend_records()
761 			kfree(record);  in pstore_get_backend_records()