RDMA/efa: Remove umem check on dereg MR flow

EFA driver is not a kverbs provider, the check for MR umem is redundant.

Link: https://lore.kernel.org/r/20190826115350.21718-2-galpress@amazon.com
Reviewed-by: Firas JahJah <firasj@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

1 files changed, 5 insertions, 7 deletions

diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c
index 70851bd7f801..1e23c621a419 100644
--- a/drivers/infiniband/hw/efa/efa_verbs.c
+++ b/drivers/infiniband/hw/efa/efa_verbs.c
@@ -1500,14 +1500,12 @@ int efa_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
 
         ibdev_dbg(&dev->ibdev, "Deregister mr[%d]\n", ibmr->lkey);
 
-        if (mr->umem) {
-                params.l_key = mr->ibmr.lkey;
-                err = efa_com_dereg_mr(&dev->edev, &params);
-                if (err)
-                        return err;
-        }
-        ib_umem_release(mr->umem);
+        params.l_key = mr->ibmr.lkey;
+        err = efa_com_dereg_mr(&dev->edev, &params);
+        if (err)
+                return err;
 
+        ib_umem_release(mr->umem);
         kfree(mr);
 
         return 0;