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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

6
net/sctp/endpointola.c
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@@ -244,7 +244,7 @@ struct sctp_endpoint *sctp_endpoint_is_match(struct sctp_endpoint *ep,
struct sctp_endpoint *retval = NULL;
if ((htons(ep->base.bind_addr.port) == laddr->v4.sin_port) &&
net_eq(sock_net(ep->base.sk), net)) {
net_eq(ep->base.net, net)) {
if (sctp_bind_addr_match(&ep->base.bind_addr, laddr,
sctp_sk(ep->base.sk)))
retval = ep;
@@ -292,8 +292,8 @@ bool sctp_endpoint_is_peeled_off(struct sctp_endpoint *ep,
const union sctp_addr *paddr)
{
struct sctp_sockaddr_entry *addr;
struct net *net = ep->base.net;
struct sctp_bind_addr *bp;
struct net *net = sock_net(ep->base.sk);
bp = &ep->base.bind_addr;
/* This function is called with the socket lock held,
@@ -384,7 +384,7 @@ normal:
if (asoc && sctp_chunk_is_data(chunk))
asoc->peer.last_data_from = chunk->transport;
else {
SCTP_INC_STATS(sock_net(ep->base.sk), SCTP_MIB_INCTRLCHUNKS);
SCTP_INC_STATS(ep->base.net, SCTP_MIB_INCTRLCHUNKS);
if (asoc)
asoc->stats.ictrlchunks++;
}