370 void pstore_record_init(struct pstore_record *record,  in pstore_record_init()  argument
373 	memset(record, 0, sizeof(*record));  in pstore_record_init()
375 	record->psi = psinfo;  in pstore_record_init()
378 	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()
467 		total += record.size;  in pstore_dump()
494 	struct pstore_record record;  in pstore_console_write()  local
499 	pstore_record_init(&record, psinfo);  in pstore_console_write()
500 	record.type = PSTORE_TYPE_CONSOLE;  in pstore_console_write()
502 	record.buf = (char *)s;  in pstore_console_write()
503 	record.size = c;  in pstore_console_write()
504 	psinfo->write(&record);  in pstore_console_write()
534 static int pstore_write_user_compat(struct pstore_record *record,  in pstore_write_user_compat()  argument
539 	if (record->buf)  in pstore_write_user_compat()
542 	record->buf = memdup_user(buf, record->size);  in pstore_write_user_compat()
543 	if (IS_ERR(record->buf)) {  in pstore_write_user_compat()
544 		ret = PTR_ERR(record->buf);  in pstore_write_user_compat()
548 	ret = record->psi->write(record);  in pstore_write_user_compat()
550 	kfree(record->buf);  in pstore_write_user_compat()
552 	record->buf = NULL;  in pstore_write_user_compat()
554 	return unlikely(ret < 0) ? ret : record->size;  in pstore_write_user_compat()
671 static void decompress_record(struct pstore_record *record)  in decompress_record()  argument
677 	if (!IS_ENABLED(CONFIG_PSTORE_COMPRESS) || !record->compressed)  in decompress_record()
681 	if (record->type != PSTORE_TYPE_DMESG) {  in decompress_record()
682 		pr_warn("ignored compressed record type %d\n", record->type);  in decompress_record()
694 	workspace = kmalloc(unzipped_len + record->ecc_notice_size,  in decompress_record()
700 	ret = crypto_comp_decompress(tfm, record->buf, record->size,  in decompress_record()
709 	memcpy(workspace + unzipped_len, record->buf + record->size,  in decompress_record()
710 	       record->ecc_notice_size);  in decompress_record()
713 	unzipped = kmemdup(workspace, unzipped_len + record->ecc_notice_size,  in decompress_record()
720 	kfree(record->buf);  in decompress_record()
721 	record->buf = unzipped;  in decompress_record()
722 	record->size = unzipped_len;  in decompress_record()
723 	record->compressed = false;  in decompress_record()
751 		struct pstore_record *record;  in pstore_get_backend_records()  local
754 		record = kzalloc(sizeof(*record), GFP_KERNEL);  in pstore_get_backend_records()
755 		if (!record) {  in pstore_get_backend_records()
759 		pstore_record_init(record, psi);  in pstore_get_backend_records()
761 		record->size = psi->read(record);  in pstore_get_backend_records()
764 		if (record->size <= 0) {  in pstore_get_backend_records()
765 			kfree(record);  in pstore_get_backend_records()
769 		decompress_record(record);  in pstore_get_backend_records()
770 		rc = pstore_mkfile(root, record);  in pstore_get_backend_records()
773 			kfree(record->buf);  in pstore_get_backend_records()
774 			kfree(record);  in pstore_get_backend_records()