diff options
Diffstat (limited to 'net/sctp/associola.c')
| -rw-r--r-- | net/sctp/associola.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/sctp/associola.c b/net/sctp/associola.c index 201c888604e4..b99f163e33ac 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -1651,8 +1651,11 @@ int sctp_assoc_set_id(struct sctp_association *asoc, gfp_t gfp) if (preload) idr_preload(gfp); spin_lock_bh(&sctp_assocs_id_lock); - /* 0 is not a valid assoc_id, must be >= 1 */ - ret = idr_alloc_cyclic(&sctp_assocs_id, asoc, 1, 0, GFP_NOWAIT); + /* 0, 1, 2 are used as SCTP_FUTURE_ASSOC, SCTP_CURRENT_ASSOC and + * SCTP_ALL_ASSOC, so an available id must be > SCTP_ALL_ASSOC. + */ + ret = idr_alloc_cyclic(&sctp_assocs_id, asoc, SCTP_ALL_ASSOC + 1, 0, + GFP_NOWAIT); spin_unlock_bh(&sctp_assocs_id_lock); if (preload) idr_preload_end(); |