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-rw-r--r--net/ipv4/netfilter/ip_conntrack_netlink.c2
-rw-r--r--net/ipv4/tcp_input.c6
-rw-r--r--net/ipv4/tcp_output.c3
3 files changed, 7 insertions, 4 deletions
diff --git a/net/ipv4/netfilter/ip_conntrack_netlink.c b/net/ipv4/netfilter/ip_conntrack_netlink.c
index 5fcf91d617c..6f31fad9be1 100644
--- a/net/ipv4/netfilter/ip_conntrack_netlink.c
+++ b/net/ipv4/netfilter/ip_conntrack_netlink.c
@@ -959,7 +959,7 @@ ctnetlink_create_conntrack(struct nfattr *cda[],
if (cda[CTA_PROTOINFO-1]) {
err = ctnetlink_change_protoinfo(ct, cda);
if (err < 0)
- return err;
+ goto err;
}
#if defined(CONFIG_IP_NF_CONNTRACK_MARK)
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index c701f6abbfc..5c16e24a606 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4420,9 +4420,11 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
* But, this leaves one open to an easy denial of
* service attack, and SYN cookies can't defend
* against this problem. So, we drop the data
- * in the interest of security over speed.
+ * in the interest of security over speed unless
+ * it's still in use.
*/
- goto discard;
+ kfree_skb(skb);
+ return 0;
}
goto discard;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 32c1a972fa3..23e32c80691 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1650,7 +1650,8 @@ static void tcp_retrans_try_collapse(struct sock *sk, struct sk_buff *skb, int m
memcpy(skb_put(skb, next_skb_size), next_skb->data, next_skb_size);
- skb->ip_summed = next_skb->ip_summed;
+ if (next_skb->ip_summed == CHECKSUM_PARTIAL)
+ skb->ip_summed = CHECKSUM_PARTIAL;
if (skb->ip_summed != CHECKSUM_PARTIAL)
skb->csum = csum_block_add(skb->csum, next_skb->csum, skb_size);