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-rw-r--r--net/core/gen_estimator.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
index b07c029e8219..5af93535e2aa 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);
}