329 static int verify_header(const struct os_area_header *header)  in verify_header()  argument
331 	if (memcmp(header->magic_num, OS_AREA_HEADER_MAGIC_NUM,  in verify_header()
332 		sizeof(header->magic_num))) {  in verify_header()
337 	if (header->hdr_version < 1) {  in verify_header()
342 	if (header->db_area_offset > header->ldr_area_offset) {  in verify_header()
588 	const struct os_area_header *header;  in update_flash_db()  local
600 	header = kmalloc(buf_len, GFP_KERNEL);  in update_flash_db()
602 	if (!header) {  in update_flash_db()
614 	count = sys_read(file, (char __user *)header, buf_len);  in update_flash_db()
616 	result = count < OS_AREA_SEGMENT_SIZE || verify_header(header)  in update_flash_db()
617 		|| count < header->db_area_offset * OS_AREA_SEGMENT_SIZE;  in update_flash_db()
621 		dump_header(header);  in update_flash_db()
627 	db = (void*)header + header->db_area_offset * OS_AREA_SEGMENT_SIZE;  in update_flash_db()
642 	offset = sys_lseek(file, header->db_area_offset * OS_AREA_SEGMENT_SIZE,  in update_flash_db()
645 	if (offset != header->db_area_offset * OS_AREA_SEGMENT_SIZE) {  in update_flash_db()
660 	kfree(header);  in update_flash_db()
725 	struct os_area_header *header;  in ps3_os_area_save_params()  local
739 	header = (struct os_area_header *)__va(lpar_addr);  in ps3_os_area_save_params()
743 	result = verify_header(header);  in ps3_os_area_save_params()
748 		dump_header(header);  in ps3_os_area_save_params()
753 		+ header->db_area_offset * OS_AREA_SEGMENT_SIZE);  in ps3_os_area_save_params()
755 	dump_header(header);  in ps3_os_area_save_params()
766 	memset(header, 0, sizeof(*header));  in ps3_os_area_save_params()