diff options
Diffstat (limited to 'drivers/infiniband/core/cm.c')
| -rw-r--r-- | drivers/infiniband/core/cm.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 3f125044d35e..3ce735527938 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -1872,8 +1872,12 @@ static void cm_dup_req_handler(struct cm_work *work, counter[CM_REQ_COUNTER]); /* Quick state check to discard duplicate REQs. */ - if (cm_id_priv->id.state == IB_CM_REQ_RCVD) + spin_lock_irq(&cm_id_priv->lock); + if (cm_id_priv->id.state == IB_CM_REQ_RCVD) { + spin_unlock_irq(&cm_id_priv->lock); return; + } + spin_unlock_irq(&cm_id_priv->lock); ret = cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg); if (ret) |