static __always_inline unsigned long fix_to_virt()

in include/asm/fixmap.h [61:76]

• 6 lines of code
• 2 McCabe index (conditional complexity)

static __always_inline unsigned long fix_to_virt(const unsigned int idx)
{
	/*
	 * this branch gets completely eliminated after inlining,
	 * except when someone tries to use fixaddr indices in an
	 * illegal way. (such as mixing up address types or using
	 * out-of-range indices).
	 *
	 * If it doesn't get removed, the linker will complain
	 * loudly with a reasonably clear error message..
	 */
	if (idx >= __end_of_fixed_addresses)
		BUG();

	return __fix_to_virt(idx);
}