diff options
| author |   Martin KaFai Lau <kafai@fb.com> | 2015-10-15 16:39:57 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-10-16 00:39:14 -0700 |
| commit | ebfa45f0d952e5e7bb30a7f9daaad681de138728 (patch) | |
| tree | f600bd8f17980fb8c2d3f3b97e5580593daa6789 /net/ipv6 | |
| parent | mlxsw: core: Fix race condition in __mlxsw_emad_transmit (diff) | |
| download | linux-dev-ebfa45f0d952e5e7bb30a7f9daaad681de138728.tar.xz linux-dev-ebfa45f0d952e5e7bb30a7f9daaad681de138728.zip | |
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/ipv6')
| -rw-r--r-- | net/ipv6/route.c | 17 |
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; } |