diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index f62f52fb9ece776000fb98dc830d52bf8bfb4f57..fc0f2bd9ca82518b50653e794d68ac35237d40e7 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -3641,7 +3641,8 @@ static struct kobj_type cm_port_obj_type = {
 
 static char *cm_devnode(struct device *dev, mode_t *mode)
 {
-	*mode = 0666;
+	if (mode)
+		*mode = 0666;
 	return kasprintf(GFP_KERNEL, "infiniband/%s", dev_name(dev));
 }
 
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index e49a85f8a44debe499e0bcd2c4d489174b5aab3d..56898b6578a49e4e4b3d006763b6f6a861a78d93 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -826,7 +826,8 @@ static void ib_uverbs_remove_one(struct ib_device *device)
 
 static char *uverbs_devnode(struct device *dev, mode_t *mode)
 {
-	*mode = 0666;
+	if (mode)
+		*mode = 0666;
 	return kasprintf(GFP_KERNEL, "infiniband/%s", dev_name(dev));
 }