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authorPaolo Abeni <pabeni@redhat.com>2015-11-18 16:40:19 +0100
committerDavid S. Miller <davem@davemloft.net>2015-11-18 16:25:01 -0500
commit206b49500df558dbc15d8836b09f6397ec5ed8bb (patch)
tree03a2b1282be6fcbefcdbfcafa4bbdfd14e45f76b
parent022be25c2498e1baa82562aba9f3380b1ef70fa6 (diff)
net/ip6_tunnel: fix dst leak
the commit cdf3464e6c6b ("ipv6: Fix dst_entry refcnt bugs in ip6_tunnel") introduced percpu storage for ip6_tunnel dst cache, but while clearing such cache it used raw_cpu_ptr to walk the per cpu entries, so cached dst on non current cpu are not actually reset. This patch replaces raw_cpu_ptr with per_cpu_ptr, properly cleaning such storage. Fixes: cdf3464e6c6b ("ipv6: Fix dst_entry refcnt bugs in ip6_tunnel") Signed-off-by: Paolo Abeni <pabeni@redhat.com> Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv6/ip6_tunnel.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index eabffbb89795..137fca42aaa6 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -177,7 +177,7 @@ void ip6_tnl_dst_reset(struct ip6_tnl *t)
int i;
for_each_possible_cpu(i)
- ip6_tnl_per_cpu_dst_set(raw_cpu_ptr(t->dst_cache), NULL);
+ ip6_tnl_per_cpu_dst_set(per_cpu_ptr(t->dst_cache, i), NULL);
}
EXPORT_SYMBOL_GPL(ip6_tnl_dst_reset);