diff options
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/route.c | 9 |
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; } |