crypto: user - Fix size of netlink dump message
[~shefty/rdma-dev.git] / crypto / crypto_user.c
index e91c16111ed30ba80216ee9bec460f2921de24fe..f1ea0a0641350cbd0f7628bc3e7edde4fc38972d 100644 (file)
@@ -457,12 +457,20 @@ static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 
        if ((type == (CRYPTO_MSG_GETALG - CRYPTO_MSG_BASE) &&
            (nlh->nlmsg_flags & NLM_F_DUMP))) {
+               struct crypto_alg *alg;
+               u16 dump_alloc = 0;
+
                if (link->dump == NULL)
                        return -EINVAL;
+
+               list_for_each_entry(alg, &crypto_alg_list, cra_list)
+                       dump_alloc += CRYPTO_REPORT_MAXSIZE;
+
                {
                        struct netlink_dump_control c = {
                                .dump = link->dump,
                                .done = link->done,
+                               .min_dump_alloc = dump_alloc,
                        };
                        return netlink_dump_start(crypto_nlsk, skb, nlh, &c);
                }