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authorMartin KaFai Lau <kafai@fb.com>2015-10-15 16:39:57 -0700
committerDavid S. Miller <davem@davemloft.net>2015-10-16 00:39:14 -0700
commitebfa45f0d952e5e7bb30a7f9daaad681de138728 (patch)
treef600bd8f17980fb8c2d3f3b97e5580593daa6789 /net
parent53ca376eec4eb635e2249c8e89093f499e180731 (diff)
ipv6: Move common init code for rt6_info to a new function rt6_info_init()
Introduce rt6_info_init() to do the common init work for 'struct rt6_info' (after calling dst_alloc). It is a prep work to fix the rt6_info init logic in the ip6_blackhole_route(). Signed-off-by: Martin KaFai Lau <kafai@fb.com> Cc: Hannes Frederic Sowa <hannes@stressinduktion.org> Cc: Julian Anastasov <ja@ssi.bg> Cc: Phil Sutter <phil@nwl.cc> Cc: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv6/route.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index ed04e29a6aa3..4198017a5aa7 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -319,6 +319,15 @@ static const struct rt6_info ip6_blk_hole_entry_template = {
#endif
+static void rt6_info_init(struct rt6_info *rt)
+{
+ struct dst_entry *dst = &rt->dst;
+
+ memset(dst + 1, 0, sizeof(*rt) - sizeof(*dst));
+ INIT_LIST_HEAD(&rt->rt6i_siblings);
+ INIT_LIST_HEAD(&rt->rt6i_uncached);
+}
+
/* allocate dst with ip6_dst_ops */
static struct rt6_info *__ip6_dst_alloc(struct net *net,
struct net_device *dev,
@@ -327,13 +336,9 @@ static struct rt6_info *__ip6_dst_alloc(struct net *net,
struct rt6_info *rt = dst_alloc(&net->ipv6.ip6_dst_ops, dev,
0, DST_OBSOLETE_FORCE_CHK, flags);
- if (rt) {
- struct dst_entry *dst = &rt->dst;
+ if (rt)
+ rt6_info_init(rt);
- memset(dst + 1, 0, sizeof(*rt) - sizeof(*dst));
- INIT_LIST_HEAD(&rt->rt6i_siblings);
- INIT_LIST_HEAD(&rt->rt6i_uncached);
- }
return rt;
}