diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-08-25 10:54:07 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-25 10:54:07 +0200 |
| commit | e4f807c2b4d81636fc63993368646c5bfd42b22f (patch) | |
| tree | 2ff100911b1ba4e26e3d9aad41edb9b48405f01e /drivers/infiniband/hw/ipath/ipath_ud.c | |
| parent | 25258ef762bc4a05fa9c4523f7dae56e3fd01864 (diff) | |
| parent | 83097aca8567a0bd593534853b71fe0fa9a75d69 (diff) | |
Merge branch 'linus' into x86/xen
Conflicts:
arch/x86/kernel/paravirt.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 36aa242c487..729446f56aa 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; |