static inline int __get_user_fn()

in include/asm/uaccess.h [179:203]

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

static inline int __get_user_fn(size_t size, const void __user *ptr, void *x)
{
	int retval;
	u32 tmp;

	switch (size) {
	case 1:
		__get_user_asm_common(tmp, ptr, "ldb", retval);
		*(u8 *)x = (u8)tmp;
		break;
	case 2:
		__get_user_asm_common(tmp, ptr, "ldh", retval);
		*(u16 *)x = (u16)tmp;
		break;
	case 4:
		__get_user_asm_common(tmp, ptr, "ldw", retval);
		*(u32 *)x = (u32)tmp;
		break;
	case 8:
		__get_user_asm_64(x, ptr, retval);
		break;
	}

	return retval;
}