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sctp: use SCTP_FUTURE_ASSOC for SCTP_ASSOCINFO sockopt 

Check with SCTP_FUTURE_ASSOC instead in
sctp_set/getsockopt_associnfo, 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 15:08:26 +08:00 committed by David S. Miller
parent 7adb5ed5ee
commit 8889394df2
1 changed files with 4 additions and 2 deletions
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6
net/sctp/socket.c
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@ -3208,7 +3208,8 @@ static int sctp_setsockopt_associnfo(struct sock *sk, char __user *optval, unsig
asoc = sctp_id2assoc(sk, assocparams.sasoc_assoc_id);
if (!asoc && assocparams.sasoc_assoc_id && sctp_style(sk, UDP))
if (!asoc && assocparams.sasoc_assoc_id != SCTP_FUTURE_ASSOC &&
sctp_style(sk, UDP))
return -EINVAL;
/* Set the values to the specific association */
@ -6357,7 +6358,8 @@ static int sctp_getsockopt_associnfo(struct sock *sk, int len,
asoc = sctp_id2assoc(sk, assocparams.sasoc_assoc_id);
if (!asoc && assocparams.sasoc_assoc_id && sctp_style(sk, UDP))
if (!asoc && assocparams.sasoc_assoc_id != SCTP_FUTURE_ASSOC &&
sctp_style(sk, UDP))
return -EINVAL;
/* Values correspoinding to the specific association */