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Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/arp.c4
-rw-r--r--net/ipv4/ip_gre.c2
-rw-r--r--net/ipv4/tcp_ipv4.c3
-rw-r--r--net/ipv4/tcp_output.c2
4 files changed, 7 insertions, 4 deletions
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index c29d75d8f1b..090e9991ac2 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -1304,7 +1304,9 @@ static void arp_format_neigh_entry(struct seq_file *seq,
hbuffer[k++] = hex_asc_lo(n->ha[j]);
hbuffer[k++] = ':';
}
- hbuffer[--k] = 0;
+ if (k != 0)
+ --k;
+ hbuffer[k] = 0;
#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
}
#endif
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index cb4a0f4bd5e..82c11dd10a6 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -951,7 +951,7 @@ static int ipgre_tunnel_bind_dev(struct net_device *dev)
addend += 4;
}
dev->needed_headroom = addend + hlen;
- mtu -= dev->hard_header_len - addend;
+ mtu -= dev->hard_header_len + addend;
if (mtu < 68)
mtu = 68;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 5a1ca2698c8..6d88219c5e2 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1160,6 +1160,7 @@ struct request_sock_ops tcp_request_sock_ops __read_mostly = {
#ifdef CONFIG_TCP_MD5SIG
static struct tcp_request_sock_ops tcp_request_sock_ipv4_ops = {
.md5_lookup = tcp_v4_reqsk_md5_lookup,
+ .calc_md5_hash = tcp_v4_md5_hash_skb,
};
#endif
@@ -1373,7 +1374,7 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
*/
char *newkey = kmemdup(key->key, key->keylen, GFP_ATOMIC);
if (newkey != NULL)
- tcp_v4_md5_do_add(newsk, inet_sk(sk)->daddr,
+ tcp_v4_md5_do_add(newsk, newinet->daddr,
newkey, key->keylen);
newsk->sk_route_caps &= ~NETIF_F_GSO_MASK;
}
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 5bdf08d312d..bd62712848f 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2261,7 +2261,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
#ifdef CONFIG_TCP_MD5SIG
/* Okay, we have all we need - do the md5 hash if needed */
if (md5) {
- tp->af_specific->calc_md5_hash(md5_hash_location,
+ tcp_rsk(req)->af_specific->calc_md5_hash(md5_hash_location,
md5, NULL, req, skb);
}
#endif