static int getstrings()

in char/openprom.c [90:118]

• 25 lines of code
• 9 McCabe index (conditional complexity)

static int getstrings(struct openpromio __user *info, struct openpromio **opp_p)
{
	int n, bufsize;
	char c;

	if (!info || !opp_p)
		return -EFAULT;

	if (!(*opp_p = kzalloc(sizeof(int) + OPROMMAXPARAM + 1, GFP_KERNEL)))
		return -ENOMEM;

	(*opp_p)->oprom_size = 0;

	n = bufsize = 0;
	while ((n < 2) && (bufsize < OPROMMAXPARAM)) {
		if (get_user(c, &info->oprom_array[bufsize])) {
			kfree(*opp_p);
			return -EFAULT;
		}
		if (c == '\0')
			n++;
		(*opp_p)->oprom_array[bufsize++] = c;
	}
	if (!n) {
		kfree(*opp_p);
		return -EINVAL;
	}
	return bufsize;
}