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sctp: get netns from asoc and ep base

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Commit 312434617c ("sctp: cache netns in sctp_ep_common") set netns
in asoc and ep base since they're created, and it will never change.
It's a better way to get netns from asoc and ep base, comparing to
calling sock_net().

This patch is to replace them.

v1->v2:
  - no change.

Suggested-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long 2019-12-09 13:45:18 +08:00 • committed by David S. Miller
parent 26c97a2d82
commit 4e7696d90b
14 changed files with 49 additions and 62 deletions
Download patch file Download diff file Expand all files Collapse all files

10
net/sctp/associola.c
View file

@ -584,7 +584,6 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
const gfp_t gfp,
const int peer_state)
{
struct net *net = sock_net(asoc->base.sk);
struct sctp_transport *peer;
struct sctp_sock *sp;
unsigned short port;
@ -614,7 +613,7 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
return peer;
}
peer = sctp_transport_new(net, addr, gfp);
peer = sctp_transport_new(asoc->base.net, addr, gfp);
if (!peer)
return NULL;
@ -974,7 +973,7 @@ static void sctp_assoc_bh_rcv(struct work_struct *work)
struct sctp_association *asoc =
container_of(work, struct sctp_association,
base.inqueue.immediate);
struct net *net = sock_net(asoc->base.sk);
struct net *net = asoc->base.net;
union sctp_subtype subtype;
struct sctp_endpoint *ep;
struct sctp_chunk *chunk;
@ -1442,7 +1441,8 @@ void sctp_assoc_sync_pmtu(struct sctp_association *asoc)
/* Should we send a SACK to update our peer? */
static inline bool sctp_peer_needs_update(struct sctp_association *asoc)
{
struct net *net = sock_net(asoc->base.sk);
struct net *net = asoc->base.net;
switch (asoc->state) {
case SCTP_STATE_ESTABLISHED:
case SCTP_STATE_SHUTDOWN_PENDING:
@ -1576,7 +1576,7 @@ int sctp_assoc_set_bind_addr_from_ep(struct sctp_association *asoc,
if (asoc->peer.ipv6_address)
flags |= SCTP_ADDR6_PEERSUPP;
return sctp_bind_addr_copy(sock_net(asoc->base.sk),
return sctp_bind_addr_copy(asoc->base.net,
&asoc->base.bind_addr,
&asoc->ep->base.bind_addr,
scope, gfp, flags);