return ((head->next != head) && (head->next == head->prev));
}
-/* Calculate the size (in bytes) occupied by the data of an iovec. */
-static inline size_t get_user_iov_size(struct iovec *iov, int iovlen)
-{
- size_t retval = 0;
-
- for (; iovlen > 0; --iovlen) {
- retval += iov->iov_len;
- iov++;
- }
-
- return retval;
-}
-
/* Generate a random jitter in the range of -50% ~ +50% of input RTO. */
static inline __s32 sctp_jitter(__u32 rto)
{