void iounmap()

in mm/ioremap.c [176:187]

• 10 lines of code
• 3 McCabe index (conditional complexity)

void iounmap(void __iomem *addr)
{
	struct vm_struct *p;

	if ((unsigned long) addr > CONFIG_NIOS2_IO_REGION_BASE)
		return;

	p = remove_vm_area((void *) (PAGE_MASK & (unsigned long __force) addr));
	if (!p)
		pr_err("iounmap: bad address %p\n", addr);
	kfree(p);
}