1 files changed, 4 insertions, 5 deletions

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index ff98983d2a45..d6cb2bfcd8e1 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1105,9 +1105,9 @@ restart:
                  * Note that we do rt_free on this new route entry, so that
                  * once its refcount hits zero, we are still able to reap it
                  * (Thanks Alexey)
-                 * Note also the rt_free uses call_rcu.  We don't actually
-                 * need rcu protection here, this is just our path to get
-                 * on the route gc list.
+                 * Note: To avoid expensive rcu stuff for this uncached dst,
+                 * we set DST_NOCACHE so that dst_release() can free dst without
+                 * waiting a grace period.
                  */
 
                 rt->dst.flags |= DST_NOCACHE;
@@ -1117,12 +1117,11 @@ restart:
                                 if (net_ratelimit())
                                         printk(KERN_WARNING
                                             "Neighbour table failure & not caching routes.\n");
-                                rt_drop(rt);
+                                ip_rt_put(rt);
                                 return err;
                         }
                 }
 
-                rt_free(rt);
                 goto skip_hashing;
         }