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Diffstat (limited to 'net/sctp/input.c')
-rw-r--r--net/sctp/input.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 141c9c466ec1..b381d78548ac 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -106,6 +106,7 @@ int sctp_rcv(struct sk_buff *skb)
int family;
struct sctp_af *af;
struct net *net = dev_net(skb->dev);
+ bool is_gso = skb_is_gso(skb) && skb_is_gso_sctp(skb);
if (skb->pkt_type != PACKET_HOST)
goto discard_it;
@@ -123,8 +124,7 @@ int sctp_rcv(struct sk_buff *skb)
* it's better to just linearize it otherwise crc computing
* takes longer.
*/
- if ((!(skb_shinfo(skb)->gso_type & SKB_GSO_SCTP) &&
- skb_linearize(skb)) ||
+ if ((!is_gso && skb_linearize(skb)) ||
!pskb_may_pull(skb, sizeof(struct sctphdr)))
goto discard_it;
@@ -135,7 +135,7 @@ int sctp_rcv(struct sk_buff *skb)
if (skb_csum_unnecessary(skb))
__skb_decr_checksum_unnecessary(skb);
else if (!sctp_checksum_disable &&
- !(skb_shinfo(skb)->gso_type & SKB_GSO_SCTP) &&
+ !is_gso &&
sctp_rcv_checksum(net, skb) < 0)
goto discard_it;
skb->csum_valid = 1;
@@ -897,15 +897,12 @@ int sctp_hash_transport(struct sctp_transport *t)
rhl_for_each_entry_rcu(transport, tmp, list, node)
if (transport->asoc->ep == t->asoc->ep) {
rcu_read_unlock();
- err = -EEXIST;
- goto out;
+ return -EEXIST;
}
rcu_read_unlock();
err = rhltable_insert_key(&sctp_transport_hashtable, &arg,
&t->node, sctp_hash_params);
-
-out:
if (err)
pr_err_once("insert transport fail, errno %d\n", err);
@@ -1221,7 +1218,7 @@ static struct sctp_association *__sctp_rcv_lookup_harder(struct net *net,
* issue as packets hitting this are mostly INIT or INIT-ACK and
* those cannot be on GSO-style anyway.
*/
- if ((skb_shinfo(skb)->gso_type & SKB_GSO_SCTP) == SKB_GSO_SCTP)
+ if (skb_is_gso(skb) && skb_is_gso_sctp(skb))
return NULL;
ch = (struct sctp_chunkhdr *)skb->data;