iovpos            821 arch/um/drivers/vector_kern.c 	int iovpos = 0;
iovpos            843 arch/um/drivers/vector_kern.c 		iov[iovpos].iov_base = drop_buffer;
iovpos            844 arch/um/drivers/vector_kern.c 		iov[iovpos].iov_len = DROP_BUFFER_SIZE;