diff --git a/drivers/infiniband/hw/ipath/ipath_keys.c b/drivers/infiniband/hw/ipath/ipath_keys.c
index c93fa2f..dd487c1 100644
--- a/drivers/infiniband/hw/ipath/ipath_keys.c
+++ b/drivers/infiniband/hw/ipath/ipath_keys.c
@@ -133,6 +133,12 @@
 	 * being reversible by calling bus_to_virt().
 	 */
 	if (sge->lkey == 0) {
+		struct ipath_pd *pd = to_ipd(qp->ibqp.pd);
+
+		if (pd->user) {
+			ret = 0;
+			goto bail;
+		}
 		isge->mr = NULL;
 		isge->vaddr = (void *) sge->addr;
 		isge->length = sge->length;
@@ -206,6 +212,12 @@
 	 * (see ipath_get_dma_mr and ipath_dma.c).
 	 */
 	if (rkey == 0) {
+		struct ipath_pd *pd = to_ipd(qp->ibqp.pd);
+
+		if (pd->user) {
+			ret = 0;
+			goto bail;
+		}
 		sge->mr = NULL;
 		sge->vaddr = (void *) vaddr;
 		sge->length = len;