diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 01d70084aebe..495c803fb11d 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -147,8 +147,12 @@ static struct ib_uobject *__idr_get_uobj(struct idr *idr, int id,
 
 	spin_lock(&ib_uverbs_idr_lock);
 	uobj = idr_find(idr, id);
-	if (uobj)
-		kref_get(&uobj->ref);
+	if (uobj) {
+		if (uobj->context == context)
+			kref_get(&uobj->ref);
+		else
+			uobj = NULL;
+	}
 	spin_unlock(&ib_uverbs_idr_lock);
 
 	return uobj;