diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index bd6eefaecbd6..987ee38ab4b3 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -2771,6 +2771,9 @@ void ib_uverbs_flow_resources_free(struct ib_uflow_resources *uflow_res) { unsigned int i; + if (!uflow_res) + return; + for (i = 0; i < uflow_res->collection_num; i++) atomic_dec(&uflow_res->collection[i]->usecnt); @@ -3585,6 +3588,7 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file, } atomic_inc(&qp->usecnt); flow_id->qp = qp; + flow_id->device = qp->device; flow_id->uobject = uobj; uobj->object = flow_id; uflow = container_of(uobj, typeof(*uflow), uobject); diff --git a/drivers/infiniband/core/uverbs_std_types.c b/drivers/infiniband/core/uverbs_std_types.c index 718c8430d364..c1e0492cc78a 100644 --- a/drivers/infiniband/core/uverbs_std_types.c +++ b/drivers/infiniband/core/uverbs_std_types.c @@ -54,9 +54,10 @@ static int uverbs_free_flow(struct ib_uobject *uobject, struct ib_qp *qp = flow->qp; int ret; - ret = qp->device->destroy_flow(flow); + ret = flow->device->destroy_flow(flow); if (!ret) { - atomic_dec(&qp->usecnt); + if (qp) + atomic_dec(&qp->usecnt); ib_uverbs_flow_resources_free(uflow->resources); } diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 08348e53082c..24d6ec38feea 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -2081,6 +2081,7 @@ struct ib_flow_attr { struct ib_flow { struct ib_qp *qp; + struct ib_device *device; struct ib_uobject *uobject; };