1 files changed, 2 insertions, 1 deletions

diff --git a/include/net/red.h b/include/net/red.h
index baab385a4736..28068ec614b2 100644
--- a/include/net/red.h
+++ b/include/net/red.h
@@ -199,7 +199,8 @@ static inline void red_set_parms(struct red_parms *p,
         p->Scell_log    = Scell_log;
         p->Scell_max    = (255 << Scell_log);
 
-        memcpy(p->Stab, stab, sizeof(p->Stab));
+        if (stab)
+                memcpy(p->Stab, stab, sizeof(p->Stab));
 }
 
 static inline int red_is_idling(const struct red_vars *v)