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authorSteve Wise <swise@opengridcomputing.com>2008-05-13 20:52:55 +0200
committerRoland Dreier <rolandd@cisco.com>2008-05-13 20:52:55 +0200
commita58e58fafdff4c25949221e46132e86f709d0b79 (patch)
tree09ee58e05c6600d6ecb4c195357678afff5aea5e /drivers
parentIB/ipath: Change ipath_devdata.ipath_sdma_status to be unsigned long (diff)
downloadlinux-a58e58fafdff4c25949221e46132e86f709d0b79.tar.xz
linux-a58e58fafdff4c25949221e46132e86f709d0b79.zip
RDMA/cxgb3: Wrap the software send queue pointer as needed on flush
cxio_flush_sq() was failing to wrap around the software send queue causing garbage completion entries on a flush operation. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_hal.c4
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 ebf9d3043f80..3f441fc57c17 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;