static int params_to_user()

in tee_core.c [438:465]

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

static int params_to_user(struct tee_ioctl_param __user *uparams,
			  size_t num_params, struct tee_param *params)
{
	size_t n;

	for (n = 0; n < num_params; n++) {
		struct tee_ioctl_param __user *up = uparams + n;
		struct tee_param *p = params + n;

		switch (p->attr) {
		case TEE_IOCTL_PARAM_ATTR_TYPE_VALUE_OUTPUT:
		case TEE_IOCTL_PARAM_ATTR_TYPE_VALUE_INOUT:
			if (put_user(p->u.value.a, &up->a) ||
			    put_user(p->u.value.b, &up->b) ||
			    put_user(p->u.value.c, &up->c))
				return -EFAULT;
			break;
		case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_OUTPUT:
		case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_INOUT:
			if (put_user((u64)p->u.memref.size, &up->b))
				return -EFAULT;
			break;
		default:
			break;
		}
	}
	return 0;
}