diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-09-10 11:32:52 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-10 11:32:52 +0200 |
| commit | e92b4fdacc6a7d8cc7895b81347671d5fcd6c5e1 (patch) | |
| tree | 4f84567261682d8ec2ad4102bce1ff970a6eed1a /drivers/infiniband/hw/ipath/ipath_ud.c | |
| parent | 9fcaff0e660d886e9a766460adbe558dd25de31b (diff) | |
| parent | adee14b2e1557d0a8559f29681732d05a89dfc35 (diff) | |
Merge commit 'v2.6.27-rc6' into x86/iommu
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_ud.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_ud.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_ud.c b/drivers/infiniband/hw/ipath/ipath_ud.c index 36aa242c487c..729446f56aab 100644 --- a/drivers/infiniband/hw/ipath/ipath_ud.c +++ b/drivers/infiniband/hw/ipath/ipath_ud.c @@ -267,6 +267,7 @@ int ipath_make_ud_req(struct ipath_qp *qp) u16 lrh0; u16 lid; int ret = 0; + int next_cur; spin_lock_irqsave(&qp->s_lock, flags); @@ -290,8 +291,9 @@ int ipath_make_ud_req(struct ipath_qp *qp) goto bail; wqe = get_swqe_ptr(qp, qp->s_cur); - if (++qp->s_cur >= qp->s_size) - qp->s_cur = 0; + next_cur = qp->s_cur + 1; + if (next_cur >= qp->s_size) + next_cur = 0; /* Construct the header. */ ah_attr = &to_iah(wqe->wr.wr.ud.ah)->attr; @@ -315,6 +317,7 @@ int ipath_make_ud_req(struct ipath_qp *qp) qp->s_flags |= IPATH_S_WAIT_DMA; goto bail; } + qp->s_cur = next_cur; spin_unlock_irqrestore(&qp->s_lock, flags); ipath_ud_loopback(qp, wqe); spin_lock_irqsave(&qp->s_lock, flags); @@ -323,6 +326,7 @@ int ipath_make_ud_req(struct ipath_qp *qp) } } + qp->s_cur = next_cur; extra_bytes = -wqe->length & 3; nwords = (wqe->length + extra_bytes) >> 2; |