summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/net/sctp/structs.h3
-rw-r--r--net/sctp/associola.c1
-rw-r--r--net/sctp/endpointola.c1
-rw-r--r--net/sctp/input.c4
4 files changed, 7 insertions, 2 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 503fbc3cd819..2b6f3f13d5bc 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1239,6 +1239,9 @@ struct sctp_ep_common {
/* What socket does this endpoint belong to? */
struct sock *sk;
+ /* Cache netns and it won't change once set */
+ struct net *net;
+
/* This is where we receive inbound chunks. */
struct sctp_inq inqueue;
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index d2ffc9a0ba3a..41839b85c268 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -64,6 +64,7 @@ static struct sctp_association *sctp_association_init(
/* Discarding const is appropriate here. */
asoc->ep = (struct sctp_endpoint *)ep;
asoc->base.sk = (struct sock *)sk;
+ asoc->base.net = sock_net(sk);
sctp_endpoint_hold(asoc->ep);
sock_hold(asoc->base.sk);
diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
index ea53049d1db6..3067deb0fbec 100644
--- a/net/sctp/endpointola.c
+++ b/net/sctp/endpointola.c
@@ -110,6 +110,7 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
/* Remember who we are attached to. */
ep->base.sk = sk;
+ ep->base.net = sock_net(sk);
sock_hold(ep->base.sk);
return ep;
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 2277981559d0..4d2bcfc9d7f8 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -882,7 +882,7 @@ static inline int sctp_hash_cmp(struct rhashtable_compare_arg *arg,
if (!sctp_transport_hold(t))
return err;
- if (!net_eq(sock_net(t->asoc->base.sk), x->net))
+ if (!net_eq(t->asoc->base.net, x->net))
goto out;
if (x->lport != htons(t->asoc->base.bind_addr.port))
goto out;
@@ -897,7 +897,7 @@ static inline __u32 sctp_hash_obj(const void *data, u32 len, u32 seed)
{
const struct sctp_transport *t = data;
- return sctp_hashfn(sock_net(t->asoc->base.sk),
+ return sctp_hashfn(t->asoc->base.net,
htons(t->asoc->base.bind_addr.port),
&t->ipaddr, seed);
}