[DECNET]: Fix double rcu_read_unlock() in dn_rt_cache_seq_stop().

99024599 · Patrick Caulfield · David S. Miller · 01a9b992 · 99024599
Commit 99024599 authored Jan 31, 2004 by Patrick Caulfield Committed by David S. Miller Jan 31, 2004
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net/decnet/dn_route.c net/decnet/dn_route.c +2 -1

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--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -1720,7 +1720,8 @@ static void *dn_rt_cache_seq_next(struct seq_file *seq, void *v, loff_t *pos)

 static void dn_rt_cache_seq_stop(struct seq_file *seq, void *v)
 {
-	rcu_read_unlock();
+	if (v)
+		rcu_read_unlock();
 }

 static int dn_rt_cache_seq_show(struct seq_file *seq, void *v)