[ofa-general] [PATCH 2.6.26] RDMA/cxgb3: Wrap the software sq ptr as needed on flush.
From: Steve Wise <hidden>
Date: 2008-05-09 20:19:20
Also in:
lkml
Subsystem:
infiniband subsystem, the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Linus Torvalds
cxio_flush_sq() was failing to wrap around the sw-sq causing garbage completion entries on a flush operation. Signed-off-by: Steve Wise <redacted> --- drivers/infiniband/hw/cxgb3/cxio_hal.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
index 5fd8506..20a6326 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c@@ -405,11 +405,11 @@ int cxio_flush_sq(struct t3_wq *wq, struct t3_cq *cq, int count) struct t3_swsq *sqp = wq->sq + Q_PTR2IDX(wq->sq_rptr, wq->sq_size_log2); ptr = wq->sq_rptr + count; - sqp += count; + sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2); while (ptr != wq->sq_wptr) { insert_sq_cqe(wq, cq, sqp); - sqp++; ptr++; + sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2); flushed++; } return flushed;