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Date: Mon, 25 Nov 2019 08:24:40 -0500
From: Neil Horman <nhorman@...driver.com>
To: Xin Long <lucien.xin@...il.com>
Cc: network dev <netdev@...r.kernel.org>, linux-sctp@...r.kernel.org,
davem@...emloft.net,
Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
Subject: Re: [PATCH net] sctp: get netns from asoc and ep base
On Mon, Nov 25, 2019 at 11:59:50AM +0800, Xin Long wrote:
> Commit 312434617cb1 ("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.
>
I don't see anything expressly wrong with this, but I'm not sure I see it as
better either. It makes things more consistent with commit 312434617cb1, sure,
but both sock_net, and its called read_pnet are both static inline functions, so
it should reduce to the same thing.
In fact, I think it may be better to ammend the fix from 312434617cb1, to,
instead of caching the net structure in the ep_common struct, instead, update
sctp_assoc_migrate so that the new value base.sk is atomically exchanged before
any calls to sock_put/sock_hold are made, so that the rhashtable lookup is
consistent. That would allow us to consistently use sock_net the way other
protocols do
Neil
> Suggested-by: Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
> Signed-off-by: Xin Long <lucien.xin@...il.com>
> ---
> net/sctp/associola.c | 10 +++++-----
> net/sctp/chunk.c | 2 +-
> net/sctp/endpointola.c | 6 +++---
> net/sctp/input.c | 5 ++---
> net/sctp/output.c | 2 +-
> net/sctp/outqueue.c | 6 +++---
> net/sctp/sm_make_chunk.c | 7 +++----
> net/sctp/sm_sideeffect.c | 16 ++++++----------
> net/sctp/sm_statefuns.c | 2 +-
> net/sctp/socket.c | 12 +++++-------
> net/sctp/stream.c | 3 +--
> net/sctp/stream_interleave.c | 23 ++++++++++-------------
> net/sctp/transport.c | 2 +-
> net/sctp/ulpqueue.c | 15 +++++++--------
> 14 files changed, 49 insertions(+), 62 deletions(-)
>
> diff --git a/net/sctp/associola.c b/net/sctp/associola.c
> index 41839b8..a725f53 100644
> --- a/net/sctp/associola.c
> +++ b/net/sctp/associola.c
> @@ -579,7 +579,6 @@ 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;
> @@ -609,7 +608,7 @@ 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;
>
> @@ -978,7 +977,7 @@ 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;
> @@ -1446,7 +1445,8 @@ 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:
> @@ -1580,7 +1580,7 @@ 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);
> diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
> index cc0405c..064675b 100644
> --- a/net/sctp/chunk.c
> +++ b/net/sctp/chunk.c
> @@ -227,7 +227,7 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
> if (msg_len >= first_len) {
> msg->can_delay = 0;
> if (msg_len > first_len)
> - SCTP_INC_STATS(sock_net(asoc->base.sk),
> + SCTP_INC_STATS(asoc->base.net,
> SCTP_MIB_FRAGUSRMSGS);
> } else {
> /* Which may be the only one... */
> diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
> index 3067deb..6e7e0d3 100644
> --- a/net/sctp/endpointola.c
> +++ b/net/sctp/endpointola.c
> @@ -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 @@ static void sctp_endpoint_bh_rcv(struct work_struct *work)
> 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++;
> }
> diff --git a/net/sctp/input.c b/net/sctp/input.c
> index 4d2bcfc..efaaefc 100644
> --- a/net/sctp/input.c
> +++ b/net/sctp/input.c
> @@ -937,7 +937,7 @@ int sctp_hash_transport(struct sctp_transport *t)
> if (t->asoc->temp)
> return 0;
>
> - arg.net = sock_net(t->asoc->base.sk);
> + arg.net = t->asoc->base.net;
> arg.paddr = &t->ipaddr;
> arg.lport = htons(t->asoc->base.bind_addr.port);
>
> @@ -1004,12 +1004,11 @@ struct sctp_transport *sctp_epaddr_lookup_transport(
> const struct sctp_endpoint *ep,
> const union sctp_addr *paddr)
> {
> - struct net *net = sock_net(ep->base.sk);
> struct rhlist_head *tmp, *list;
> struct sctp_transport *t;
> struct sctp_hash_cmp_arg arg = {
> .paddr = paddr,
> - .net = net,
> + .net = ep->base.net,
> .lport = htons(ep->base.bind_addr.port),
> };
>
> diff --git a/net/sctp/output.c b/net/sctp/output.c
> index dbda7e7..1441eaf 100644
> --- a/net/sctp/output.c
> +++ b/net/sctp/output.c
> @@ -282,7 +282,7 @@ static enum sctp_xmit sctp_packet_bundle_sack(struct sctp_packet *pkt,
> sctp_chunk_free(sack);
> goto out;
> }
> - SCTP_INC_STATS(sock_net(asoc->base.sk),
> + SCTP_INC_STATS(asoc->base.net,
> SCTP_MIB_OUTCTRLCHUNKS);
> asoc->stats.octrlchunks++;
> asoc->peer.sack_needed = 0;
> diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
> index 0dab62b..a031d11 100644
> --- a/net/sctp/outqueue.c
> +++ b/net/sctp/outqueue.c
> @@ -279,7 +279,7 @@ void sctp_outq_free(struct sctp_outq *q)
> /* Put a new chunk in an sctp_outq. */
> void sctp_outq_tail(struct sctp_outq *q, struct sctp_chunk *chunk, gfp_t gfp)
> {
> - struct net *net = sock_net(q->asoc->base.sk);
> + struct net *net = q->asoc->base.net;
>
> pr_debug("%s: outq:%p, chunk:%p[%s]\n", __func__, q, chunk,
> chunk && chunk->chunk_hdr ?
> @@ -533,7 +533,7 @@ void sctp_retransmit_mark(struct sctp_outq *q,
> void sctp_retransmit(struct sctp_outq *q, struct sctp_transport *transport,
> enum sctp_retransmit_reason reason)
> {
> - struct net *net = sock_net(q->asoc->base.sk);
> + struct net *net = q->asoc->base.net;
>
> switch (reason) {
> case SCTP_RTXR_T3_RTX:
> @@ -1884,6 +1884,6 @@ void sctp_generate_fwdtsn(struct sctp_outq *q, __u32 ctsn)
>
> if (ftsn_chunk) {
> list_add_tail(&ftsn_chunk->list, &q->control_chunk_list);
> - SCTP_INC_STATS(sock_net(asoc->base.sk), SCTP_MIB_OUTCTRLCHUNKS);
> + SCTP_INC_STATS(asoc->base.net, SCTP_MIB_OUTCTRLCHUNKS);
> }
> }
> diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
> index 48d6395..09050c1 100644
> --- a/net/sctp/sm_make_chunk.c
> +++ b/net/sctp/sm_make_chunk.c
> @@ -2307,7 +2307,6 @@ int sctp_process_init(struct sctp_association *asoc, struct sctp_chunk *chunk,
> const union sctp_addr *peer_addr,
> struct sctp_init_chunk *peer_init, gfp_t gfp)
> {
> - struct net *net = sock_net(asoc->base.sk);
> struct sctp_transport *transport;
> struct list_head *pos, *temp;
> union sctp_params param;
> @@ -2363,8 +2362,8 @@ int sctp_process_init(struct sctp_association *asoc, struct sctp_chunk *chunk,
> * also give us an option to silently ignore the packet, which
> * is what we'll do here.
> */
> - if (!net->sctp.addip_noauth &&
> - (asoc->peer.asconf_capable && !asoc->peer.auth_capable)) {
> + if (!asoc->base.net->sctp.addip_noauth &&
> + (asoc->peer.asconf_capable && !asoc->peer.auth_capable)) {
> asoc->peer.addip_disabled_mask |= (SCTP_PARAM_ADD_IP |
> SCTP_PARAM_DEL_IP |
> SCTP_PARAM_SET_PRIMARY);
> @@ -2491,9 +2490,9 @@ static int sctp_process_param(struct sctp_association *asoc,
> const union sctp_addr *peer_addr,
> gfp_t gfp)
> {
> - struct net *net = sock_net(asoc->base.sk);
> struct sctp_endpoint *ep = asoc->ep;
> union sctp_addr_param *addr_param;
> + struct net *net = asoc->base.net;
> struct sctp_transport *t;
> enum sctp_scope scope;
> union sctp_addr addr;
> diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
> index e52b212..20b0281 100644
> --- a/net/sctp/sm_sideeffect.c
> +++ b/net/sctp/sm_sideeffect.c
> @@ -516,8 +516,6 @@ static void sctp_do_8_2_transport_strike(struct sctp_cmd_seq *commands,
> struct sctp_transport *transport,
> int is_hb)
> {
> - struct net *net = sock_net(asoc->base.sk);
> -
> /* The check for association's overall error counter exceeding the
> * threshold is done in the state function.
> */
> @@ -544,10 +542,10 @@ static void sctp_do_8_2_transport_strike(struct sctp_cmd_seq *commands,
> * is SCTP_ACTIVE, then mark this transport as Partially Failed,
> * see SCTP Quick Failover Draft, section 5.1
> */
> - if (net->sctp.pf_enable &&
> - (transport->state == SCTP_ACTIVE) &&
> - (transport->error_count < transport->pathmaxrxt) &&
> - (transport->error_count > transport->pf_retrans)) {
> + if (asoc->base.net->sctp.pf_enable &&
> + transport->state == SCTP_ACTIVE &&
> + transport->error_count < transport->pathmaxrxt &&
> + transport->error_count > transport->pf_retrans) {
>
> sctp_assoc_control_transport(asoc, transport,
> SCTP_TRANSPORT_PF,
> @@ -793,10 +791,8 @@ static int sctp_cmd_process_sack(struct sctp_cmd_seq *cmds,
> int err = 0;
>
> if (sctp_outq_sack(&asoc->outqueue, chunk)) {
> - struct net *net = sock_net(asoc->base.sk);
> -
> /* There are no more TSNs awaiting SACK. */
> - err = sctp_do_sm(net, SCTP_EVENT_T_OTHER,
> + err = sctp_do_sm(asoc->base.net, SCTP_EVENT_T_OTHER,
> SCTP_ST_OTHER(SCTP_EVENT_NO_PENDING_TSN),
> asoc->state, asoc->ep, asoc, NULL,
> GFP_ATOMIC);
> @@ -829,7 +825,7 @@ static void sctp_cmd_assoc_update(struct sctp_cmd_seq *cmds,
> struct sctp_association *asoc,
> struct sctp_association *new)
> {
> - struct net *net = sock_net(asoc->base.sk);
> + struct net *net = asoc->base.net;
> struct sctp_chunk *abort;
>
> if (!sctp_assoc_update(asoc, new))
> diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
> index 4ab8208..42558fa 100644
> --- a/net/sctp/sm_statefuns.c
> +++ b/net/sctp/sm_statefuns.c
> @@ -1320,7 +1320,7 @@ static int sctp_sf_check_restart_addrs(const struct sctp_association *new_asoc,
> struct sctp_chunk *init,
> struct sctp_cmd_seq *commands)
> {
> - struct net *net = sock_net(new_asoc->base.sk);
> + struct net *net = new_asoc->base.net;
> struct sctp_transport *new_addr;
> int ret = 1;
>
> diff --git a/net/sctp/socket.c b/net/sctp/socket.c
> index ffd3262..5e0efbc 100644
> --- a/net/sctp/socket.c
> +++ b/net/sctp/socket.c
> @@ -436,8 +436,7 @@ static int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len)
> static int sctp_send_asconf(struct sctp_association *asoc,
> struct sctp_chunk *chunk)
> {
> - struct net *net = sock_net(asoc->base.sk);
> - int retval = 0;
> + int retval = 0;
>
> /* If there is an outstanding ASCONF chunk, queue it for later
> * transmission.
> @@ -449,7 +448,7 @@ static int sctp_send_asconf(struct sctp_association *asoc,
>
> /* Hold the chunk until an ASCONF_ACK is received. */
> sctp_chunk_hold(chunk);
> - retval = sctp_primitive_ASCONF(net, asoc, chunk);
> + retval = sctp_primitive_ASCONF(asoc->base.net, asoc, chunk);
> if (retval)
> sctp_chunk_free(chunk);
> else
> @@ -2428,9 +2427,8 @@ static int sctp_apply_peer_addr_params(struct sctp_paddrparams *params,
> int error;
>
> if (params->spp_flags & SPP_HB_DEMAND && trans) {
> - struct net *net = sock_net(trans->asoc->base.sk);
> -
> - error = sctp_primitive_REQUESTHEARTBEAT(net, trans->asoc, trans);
> + error = sctp_primitive_REQUESTHEARTBEAT(trans->asoc->base.net,
> + trans->asoc, trans);
> if (error)
> return error;
> }
> @@ -5308,7 +5306,7 @@ struct sctp_transport *sctp_transport_get_next(struct net *net,
> if (!sctp_transport_hold(t))
> continue;
>
> - if (net_eq(sock_net(t->asoc->base.sk), net) &&
> + if (net_eq(t->asoc->base.net, net) &&
> t->asoc->peer.primary_path == t)
> break;
>
> diff --git a/net/sctp/stream.c b/net/sctp/stream.c
> index e83cdaa..df60b5e 100644
> --- a/net/sctp/stream.c
> +++ b/net/sctp/stream.c
> @@ -218,10 +218,9 @@ void sctp_stream_update(struct sctp_stream *stream, struct sctp_stream *new)
> static int sctp_send_reconf(struct sctp_association *asoc,
> struct sctp_chunk *chunk)
> {
> - struct net *net = sock_net(asoc->base.sk);
> int retval = 0;
>
> - retval = sctp_primitive_RECONF(net, asoc, chunk);
> + retval = sctp_primitive_RECONF(asoc->base.net, asoc, chunk);
> if (retval)
> sctp_chunk_free(chunk);
>
> diff --git a/net/sctp/stream_interleave.c b/net/sctp/stream_interleave.c
> index 40c40be..6b13f73 100644
> --- a/net/sctp/stream_interleave.c
> +++ b/net/sctp/stream_interleave.c
> @@ -241,9 +241,8 @@ static struct sctp_ulpevent *sctp_intl_retrieve_partial(
> if (!first_frag)
> return NULL;
>
> - retval = sctp_make_reassembled_event(sock_net(ulpq->asoc->base.sk),
> - &ulpq->reasm, first_frag,
> - last_frag);
> + retval = sctp_make_reassembled_event(ulpq->asoc->base.net, &ulpq->reasm,
> + first_frag, last_frag);
> if (retval) {
> sin->fsn = next_fsn;
> if (is_last) {
> @@ -326,7 +325,7 @@ static struct sctp_ulpevent *sctp_intl_retrieve_reassembled(
>
> pd_point = sctp_sk(asoc->base.sk)->pd_point;
> if (pd_point && pd_point <= pd_len) {
> - retval = sctp_make_reassembled_event(sock_net(asoc->base.sk),
> + retval = sctp_make_reassembled_event(asoc->base.net,
> &ulpq->reasm,
> pd_first, pd_last);
> if (retval) {
> @@ -337,8 +336,7 @@ static struct sctp_ulpevent *sctp_intl_retrieve_reassembled(
> goto out;
>
> found:
> - retval = sctp_make_reassembled_event(sock_net(asoc->base.sk),
> - &ulpq->reasm,
> + retval = sctp_make_reassembled_event(asoc->base.net, &ulpq->reasm,
> first_frag, pos);
> if (retval)
> retval->msg_flags |= MSG_EOR;
> @@ -630,7 +628,7 @@ static struct sctp_ulpevent *sctp_intl_retrieve_partial_uo(
> if (!first_frag)
> return NULL;
>
> - retval = sctp_make_reassembled_event(sock_net(ulpq->asoc->base.sk),
> + retval = sctp_make_reassembled_event(ulpq->asoc->base.net,
> &ulpq->reasm_uo, first_frag,
> last_frag);
> if (retval) {
> @@ -716,7 +714,7 @@ static struct sctp_ulpevent *sctp_intl_retrieve_reassembled_uo(
>
> pd_point = sctp_sk(asoc->base.sk)->pd_point;
> if (pd_point && pd_point <= pd_len) {
> - retval = sctp_make_reassembled_event(sock_net(asoc->base.sk),
> + retval = sctp_make_reassembled_event(asoc->base.net,
> &ulpq->reasm_uo,
> pd_first, pd_last);
> if (retval) {
> @@ -727,8 +725,7 @@ static struct sctp_ulpevent *sctp_intl_retrieve_reassembled_uo(
> goto out;
>
> found:
> - retval = sctp_make_reassembled_event(sock_net(asoc->base.sk),
> - &ulpq->reasm_uo,
> + retval = sctp_make_reassembled_event(asoc->base.net, &ulpq->reasm_uo,
> first_frag, pos);
> if (retval)
> retval->msg_flags |= MSG_EOR;
> @@ -814,7 +811,7 @@ static struct sctp_ulpevent *sctp_intl_retrieve_first_uo(struct sctp_ulpq *ulpq)
> return NULL;
>
> out:
> - retval = sctp_make_reassembled_event(sock_net(ulpq->asoc->base.sk),
> + retval = sctp_make_reassembled_event(ulpq->asoc->base.net,
> &ulpq->reasm_uo, first_frag,
> last_frag);
> if (retval) {
> @@ -921,7 +918,7 @@ static struct sctp_ulpevent *sctp_intl_retrieve_first(struct sctp_ulpq *ulpq)
> return NULL;
>
> out:
> - retval = sctp_make_reassembled_event(sock_net(ulpq->asoc->base.sk),
> + retval = sctp_make_reassembled_event(ulpq->asoc->base.net,
> &ulpq->reasm, first_frag,
> last_frag);
> if (retval) {
> @@ -1159,7 +1156,7 @@ static void sctp_generate_iftsn(struct sctp_outq *q, __u32 ctsn)
>
> if (ftsn_chunk) {
> list_add_tail(&ftsn_chunk->list, &q->control_chunk_list);
> - SCTP_INC_STATS(sock_net(asoc->base.sk), SCTP_MIB_OUTCTRLCHUNKS);
> + SCTP_INC_STATS(asoc->base.net, SCTP_MIB_OUTCTRLCHUNKS);
> }
> }
>
> diff --git a/net/sctp/transport.c b/net/sctp/transport.c
> index 7235a60..f4de064 100644
> --- a/net/sctp/transport.c
> +++ b/net/sctp/transport.c
> @@ -334,7 +334,7 @@ void sctp_transport_update_rto(struct sctp_transport *tp, __u32 rtt)
> pr_debug("%s: rto_pending not set on transport %p!\n", __func__, tp);
>
> if (tp->rttvar || tp->srtt) {
> - struct net *net = sock_net(tp->asoc->base.sk);
> + struct net *net = tp->asoc->base.net;
> /* 6.3.1 C3) When a new RTT measurement R' is made, set
> * RTTVAR <- (1 - RTO.Beta) * RTTVAR + RTO.Beta * |SRTT - R'|
> * SRTT <- (1 - RTO.Alpha) * SRTT + RTO.Alpha * R'
> diff --git a/net/sctp/ulpqueue.c b/net/sctp/ulpqueue.c
> index b6536b7..1c6c640 100644
> --- a/net/sctp/ulpqueue.c
> +++ b/net/sctp/ulpqueue.c
> @@ -486,10 +486,9 @@ static struct sctp_ulpevent *sctp_ulpq_retrieve_reassembled(struct sctp_ulpq *ul
> cevent = sctp_skb2event(pd_first);
> pd_point = sctp_sk(asoc->base.sk)->pd_point;
> if (pd_point && pd_point <= pd_len) {
> - retval = sctp_make_reassembled_event(sock_net(asoc->base.sk),
> + retval = sctp_make_reassembled_event(asoc->base.net,
> &ulpq->reasm,
> - pd_first,
> - pd_last);
> + pd_first, pd_last);
> if (retval)
> sctp_ulpq_set_pd(ulpq);
> }
> @@ -497,7 +496,7 @@ static struct sctp_ulpevent *sctp_ulpq_retrieve_reassembled(struct sctp_ulpq *ul
> done:
> return retval;
> found:
> - retval = sctp_make_reassembled_event(sock_net(ulpq->asoc->base.sk),
> + retval = sctp_make_reassembled_event(ulpq->asoc->base.net,
> &ulpq->reasm, first_frag, pos);
> if (retval)
> retval->msg_flags |= MSG_EOR;
> @@ -563,8 +562,8 @@ static struct sctp_ulpevent *sctp_ulpq_retrieve_partial(struct sctp_ulpq *ulpq)
> * further.
> */
> done:
> - retval = sctp_make_reassembled_event(sock_net(ulpq->asoc->base.sk),
> - &ulpq->reasm, first_frag, last_frag);
> + retval = sctp_make_reassembled_event(ulpq->asoc->base.net, &ulpq->reasm,
> + first_frag, last_frag);
> if (retval && is_last)
> retval->msg_flags |= MSG_EOR;
>
> @@ -664,8 +663,8 @@ static struct sctp_ulpevent *sctp_ulpq_retrieve_first(struct sctp_ulpq *ulpq)
> * further.
> */
> done:
> - retval = sctp_make_reassembled_event(sock_net(ulpq->asoc->base.sk),
> - &ulpq->reasm, first_frag, last_frag);
> + retval = sctp_make_reassembled_event(ulpq->asoc->base.net, &ulpq->reasm,
> + first_frag, last_frag);
> return retval;
> }
>
> --
> 2.1.0
>
>
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