Currently when an error occurs and the completion state becomes
COMPST_RNR_RETRY, qp->comp.rnr_retry is only decreased when
qp->comp.rnr_retry != 7.
If the user happens to config the rnr retry count to be >= 7, the
driver will retry forever, instead of exposing IB_WC_RNR_RETRY_EXC_ERR.
---
drivers/infiniband/sw/rxe/rxe_comp.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c
index 4bc88708b355..16c1870b6482 100644
--- a/drivers/infiniband/sw/rxe/rxe_comp.c
+++ b/drivers/infiniband/sw/rxe/rxe_comp.c
@@ -745,8 +745,7 @@ int rxe_completer(void *arg)
case COMPST_RNR_RETRY:
if (qp->comp.rnr_retry > 0) {
- if (qp->comp.rnr_retry != 7)
- qp->comp.rnr_retry--;
+ qp->comp.rnr_retry--;
qp->req.need_retry = 1;
pr_debug("qp#%d set rnr nak timer\n",
--
2.27.0
