diff options
Diffstat (limited to 'drivers/infiniband')
-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) | |||
267 | u16 lrh0; | 267 | u16 lrh0; |
268 | u16 lid; | 268 | u16 lid; |
269 | int ret = 0; | 269 | int ret = 0; |
270 | int next_cur; | ||
270 | 271 | ||
271 | spin_lock_irqsave(&qp->s_lock, flags); | 272 | spin_lock_irqsave(&qp->s_lock, flags); |
272 | 273 | ||
@@ -290,8 +291,9 @@ int ipath_make_ud_req(struct ipath_qp *qp) | |||
290 | goto bail; | 291 | goto bail; |
291 | 292 | ||
292 | wqe = get_swqe_ptr(qp, qp->s_cur); | 293 | wqe = get_swqe_ptr(qp, qp->s_cur); |
293 | if (++qp->s_cur >= qp->s_size) | 294 | next_cur = qp->s_cur + 1; |
294 | qp->s_cur = 0; | 295 | if (next_cur >= qp->s_size) |
296 | next_cur = 0; | ||
295 | 297 | ||
296 | /* Construct the header. */ | 298 | /* Construct the header. */ |
297 | ah_attr = &to_iah(wqe->wr.wr.ud.ah)->attr; | 299 | ah_attr = &to_iah(wqe->wr.wr.ud.ah)->attr; |
@@ -315,6 +317,7 @@ int ipath_make_ud_req(struct ipath_qp *qp) | |||
315 | qp->s_flags |= IPATH_S_WAIT_DMA; | 317 | qp->s_flags |= IPATH_S_WAIT_DMA; |
316 | goto bail; | 318 | goto bail; |
317 | } | 319 | } |
320 | qp->s_cur = next_cur; | ||
318 | spin_unlock_irqrestore(&qp->s_lock, flags); | 321 | spin_unlock_irqrestore(&qp->s_lock, flags); |
319 | ipath_ud_loopback(qp, wqe); | 322 | ipath_ud_loopback(qp, wqe); |
320 | spin_lock_irqsave(&qp->s_lock, flags); | 323 | spin_lock_irqsave(&qp->s_lock, flags); |
@@ -323,6 +326,7 @@ int ipath_make_ud_req(struct ipath_qp *qp) | |||
323 | } | 326 | } |
324 | } | 327 | } |
325 | 328 | ||
329 | qp->s_cur = next_cur; | ||
326 | extra_bytes = -wqe->length & 3; | 330 | extra_bytes = -wqe->length & 3; |
327 | nwords = (wqe->length + extra_bytes) >> 2; | 331 | nwords = (wqe->length + extra_bytes) >> 2; |
328 | 332 | ||