GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-07-23 23:32:14 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

net: use skb_is_gso_sctp() instead of open-coding

Browse source 
As well as the basic conversion, I noticed that a lot of the
SCTP code checks gso_type without first checking skb_is_gso()
so I have added that where appropriate.

Also, document the helper.

Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Axtens 2018-03-09 14:06:09 +11:00 • committed by David S. Miller
parent ca0edb131b
commit 1dd27cde30
6 changed files with 12 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

8
net/sctp/input.c
View file

@ -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;
@ -1218,7 +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;