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| author | Vlad Yasevich <vladislav.yasevich@hp.com> | 2009-06-01 12:41:15 -0400 |
|---|---|---|
| committer | Vlad Yasevich <vladislav.yasevich@hp.com> | 2009-06-03 09:14:47 -0400 |
| commit | c6ba68a26645dbc5029a9faa5687ebe6fcfc53e4 (patch) | |
| tree | e47a8f343b7fd0ba0a5d3e49a740d5dbe73e430a /net/sctp/associola.c | |
| parent | 9919b455fc00c995ef8141848bdc0709ce50bf36 (diff) | |
| download | lwn-c6ba68a26645dbc5029a9faa5687ebe6fcfc53e4.tar.gz lwn-c6ba68a26645dbc5029a9faa5687ebe6fcfc53e4.zip | |
sctp: support non-blocking version of the new sctp_connectx() API
Prior implementation of the new sctp_connectx() call that returns
an association ID did not work correctly on non-blocking socket.
This is because we could not return both a EINPROGRESS error and
an association id. This is a new implementation that supports this.
Originally from Ivan Skytte Jørgensen <isj-sctp@i1.dk
Signed-off-by: Ivan Skytte Jørgensen <isj-sctp@i1.dk
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Diffstat (limited to 'net/sctp/associola.c')
| -rw-r--r-- | net/sctp/associola.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/sctp/associola.c b/net/sctp/associola.c index 39f5166ae7af..525864bf4f07 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -1470,6 +1470,10 @@ int sctp_assoc_set_id(struct sctp_association *asoc, gfp_t gfp) { int assoc_id; int error = 0; + + /* If the id is already assigned, keep it. */ + if (asoc->assoc_id) + return error; retry: if (unlikely(!idr_pre_get(&sctp_assocs_id, gfp))) return -ENOMEM; |