1 files changed, 2 insertions, 1 deletions

diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
index 17daf4c9f793..cc84d8d8a3c7 100644
--- a/net/core/gen_estimator.c
+++ b/net/core/gen_estimator.c
@@ -128,7 +128,8 @@ static void est_timer(unsigned long arg)
                 spin_unlock(e->stats_lock);
         }
 
-        mod_timer(&elist[idx].timer, jiffies + ((HZ<<idx)/4));
+        if (elist[idx].list != NULL)
+                mod_timer(&elist[idx].timer, jiffies + ((HZ<<idx)/4));
         read_unlock(&est_lock);
 }