diff options
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_ud.c')
-rw-r--r-- | drivers/infiniband/hw/qib/qib_ud.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/qib/qib_ud.c b/drivers/infiniband/hw/qib/qib_ud.c index be4907453ac4..386c3c4da0c7 100644 --- a/drivers/infiniband/hw/qib/qib_ud.c +++ b/drivers/infiniband/hw/qib/qib_ud.c @@ -252,8 +252,7 @@ int qib_make_ud_req(struct rvt_qp *qp, unsigned long *flags) if (!(ib_rvt_state_ops[qp->state] & RVT_FLUSH_SEND)) goto bail; /* We are in the error state, flush the work request. */ - smp_read_barrier_depends(); /* see post_one_send */ - if (qp->s_last == ACCESS_ONCE(qp->s_head)) + if (qp->s_last == READ_ONCE(qp->s_head)) goto bail; /* If DMAs are in progress, we can't flush immediately. */ if (atomic_read(&priv->s_dma_busy)) { @@ -266,8 +265,7 @@ int qib_make_ud_req(struct rvt_qp *qp, unsigned long *flags) } /* see post_one_send() */ - smp_read_barrier_depends(); - if (qp->s_cur == ACCESS_ONCE(qp->s_head)) + if (qp->s_cur == READ_ONCE(qp->s_head)) goto bail; wqe = rvt_get_swqe_ptr(qp, qp->s_cur); |