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sctp: use SCTP_FUTURE_ASSOC for SCTP_PEER_ADDR_PARAMS sockopt 

Check with SCTP_FUTURE_ASSOC instead in
sctp_/setgetsockopt_peer_addr_params, it's compatible with 0.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long 2019-01-28 15:08:24 +08:00 committed by David S. Miller
parent 80df2704a3
commit b99e5e028b
1 changed files with 10 additions and 8 deletions
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18
net/sctp/socket.c
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@ -2750,12 +2750,13 @@ static int sctp_setsockopt_peer_addr_params(struct sock *sk,
return -EINVAL;
}
/* Get association, if assoc_id != 0 and the socket is a one
* to many style socket, and an association was not found, then
* the id was invalid.
/* Get association, if assoc_id != SCTP_FUTURE_ASSOC and the
* socket is a one to many style socket, and an association
* was not found, then the id was invalid.
*/
asoc = sctp_id2assoc(sk, params.spp_assoc_id);
if (!asoc && params.spp_assoc_id && sctp_style(sk, UDP))
if (!asoc && params.spp_assoc_id != SCTP_FUTURE_ASSOC &&
sctp_style(sk, UDP))
return -EINVAL;
/* Heartbeat demand can only be sent on a transport or
@ -5676,12 +5677,13 @@ static int sctp_getsockopt_peer_addr_params(struct sock *sk, int len,
}
}
/* Get association, if assoc_id != 0 and the socket is a one
* to many style socket, and an association was not found, then
* the id was invalid.
/* Get association, if assoc_id != SCTP_FUTURE_ASSOC and the
* socket is a one to many style socket, and an association
* was not found, then the id was invalid.
*/
asoc = sctp_id2assoc(sk, params.spp_assoc_id);
if (!asoc && params.spp_assoc_id && sctp_style(sk, UDP)) {
if (!asoc && params.spp_assoc_id != SCTP_FUTURE_ASSOC &&
sctp_style(sk, UDP)) {
pr_debug("%s: failed no association\n", __func__);
return -EINVAL;
}