1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index f62f52fb9ec..fc0f2bd9ca8 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));
 }