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sctp: use SCTP_FUTURE_ASSOC for SCTP_LOCAL_AUTH_CHUNKS sockopt

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Check with SCTP_FUTURE_ASSOC instead in
sctp_getsockopt_local_auth_chunks, 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 15:08:28 +08:00 committed by David S. Miller
parent 6fd769beb0
commit 48c072174d
1 changed files with 4 additions and 6 deletions
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10
net/sctp/socket.c
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@ -6767,14 +6767,12 @@ static int sctp_getsockopt_local_auth_chunks(struct sock *sk, int len,
to = p->gauth_chunks;
asoc = sctp_id2assoc(sk, val.gauth_assoc_id);
if (!asoc && val.gauth_assoc_id && sctp_style(sk, UDP))
if (!asoc && val.gauth_assoc_id != SCTP_FUTURE_ASSOC &&
sctp_style(sk, UDP))
return -EINVAL;
if (asoc)
ch = (struct sctp_chunks_param *)asoc->c.auth_chunks;
else
ch = ep->auth_chunk_list;
ch = asoc ? (struct sctp_chunks_param *)asoc->c.auth_chunks
: ep->auth_chunk_list;
if (!ch)
goto num;