- /* In case it might be waiting for more memory. */
- res = atomic_sub_return(skb->truesize, &sk->sk_wmem_alloc);
- if (!sock_flag(sk, SOCK_USE_WRITE_QUEUE))
+ if (!sock_flag(sk, SOCK_USE_WRITE_QUEUE)) {
+ /*
+ * Keep a reference on sk_wmem_alloc, this will be released
+ * after sk_write_space() call
+ */
+ atomic_sub(len - 1, &sk->sk_wmem_alloc);