diff options
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/cq.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c index 6657390..88de3aa 100644 --- a/drivers/infiniband/hw/cxgb4/cq.c +++ b/drivers/infiniband/hw/cxgb4/cq.c @@ -611,9 +611,12 @@ proc_cqe: * to the first unsignaled one, and idx points to the * signaled one. So adjust in_use based on this delta. * if this is not completing any unsigned wrs, then the - * delta will be 0. + * delta will be 0. Handle wrapping also! */ - wq->sq.in_use -= idx - wq->sq.cidx; + if (idx < wq->sq.cidx) + wq->sq.in_use -= wq->sq.size + idx - wq->sq.cidx; + else + wq->sq.in_use -= idx - wq->sq.cidx; BUG_ON(wq->sq.in_use < 0 && wq->sq.in_use < wq->sq.size); wq->sq.cidx = (uint16_t)idx; |