static int nubus_proc_rsrc_show()

in proc.c [107:138]

• 26 lines of code
• 5 McCabe index (conditional complexity)

static int nubus_proc_rsrc_show(struct seq_file *m, void *v)
{
	struct inode *inode = m->private;
	struct nubus_proc_pde_data *pde_data;

	pde_data = PDE_DATA(inode);
	if (!pde_data)
		return 0;

	if (pde_data->res_size > m->size)
		return -EFBIG;

	if (pde_data->res_size) {
		int lanes = (int)proc_get_parent_data(inode);
		struct nubus_dirent ent;

		if (!lanes)
			return 0;

		ent.mask = lanes;
		ent.base = pde_data->res_ptr;
		ent.data = 0;
		nubus_seq_write_rsrc_mem(m, &ent, pde_data->res_size);
	} else {
		unsigned int data = (unsigned int)pde_data->res_ptr;

		seq_putc(m, data >> 16);
		seq_putc(m, data >> 8);
		seq_putc(m, data >> 0);
	}
	return 0;
}