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Merge branch 'sctp-bad-revert'

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Xin Long says:

====================
sctp: fix the incorrect revert

commit 35b4f24415 ("sctp: do asoc update earlier in
sctp_sf_do_dupcook_a") only keeps the SHUTDOWN and
COOKIE-ACK with the same asoc, not transport.

So instead of revert commit 145cb2f717 ("sctp: Fix bundling
of SHUTDOWN with COOKIE-ACK"), we should revert 12dfd78e3a
("sctp: Fix SHUTDOWN CTSN Ack in the peer restart case").
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2021-05-03 13:30:04 -07:00
commit a52445ae5a
2 changed files with 4 additions and 8 deletions
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6
net/sctp/sm_make_chunk.c
View File

@ -858,11 +858,7 @@ struct sctp_chunk *sctp_make_shutdown(const struct sctp_association *asoc,
struct sctp_chunk *retval;
__u32 ctsn;
if (chunk && chunk->asoc)
ctsn = sctp_tsnmap_get_ctsn(&chunk->asoc->peer.tsn_map);
else
ctsn = sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map);
ctsn = sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map);
shut.cum_tsn_ack = htonl(ctsn);
retval = sctp_make_control(asoc, SCTP_CID_SHUTDOWN, 0,

6
net/sctp/sm_statefuns.c
View File

@ -1903,7 +1903,7 @@ static enum sctp_disposition sctp_sf_do_dupcook_a(
*/
sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl));
return sctp_sf_do_9_2_start_shutdown(net, ep, asoc,
SCTP_ST_CHUNK(0), NULL,
SCTP_ST_CHUNK(0), repl,
commands);
} else {
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
@ -5549,7 +5549,7 @@ enum sctp_disposition sctp_sf_do_9_2_start_shutdown(
* in the Cumulative TSN Ack field the last sequential TSN it
* has received from the peer.
*/
reply = sctp_make_shutdown(asoc, NULL);
reply = sctp_make_shutdown(asoc, arg);
if (!reply)
goto nomem;
@ -6147,7 +6147,7 @@ enum sctp_disposition sctp_sf_autoclose_timer_expire(
disposition = SCTP_DISPOSITION_CONSUME;
if (sctp_outq_is_empty(&asoc->outqueue)) {
disposition = sctp_sf_do_9_2_start_shutdown(net, ep, asoc, type,
arg, commands);
NULL, commands);
}
return disposition;