791 	struct erase_info_user erase;  in flash_write_buf()  local
890 	erase.length = erasesize;  in flash_write_buf()
909 			erase.start = blockstart;  in flash_write_buf()
910 			ioctl(fd, MEMUNLOCK, &erase);  in flash_write_buf()
913 				if (ioctl(fd, MEMERASE, &erase) != 0) {  in flash_write_buf()
940 			ioctl(fd, MEMLOCK, &erase);  in flash_write_buf()
959 	struct erase_info_user erase;  in flash_flag_obsolete()  local
961 	erase.start  = DEVOFFSET (dev);  in flash_flag_obsolete()
962 	erase.length = DEVESIZE (dev);  in flash_flag_obsolete()
970 	ioctl (fd, MEMUNLOCK, &erase);  in flash_flag_obsolete()
972 	ioctl (fd, MEMLOCK, &erase);  in flash_flag_obsolete()