4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Eric Dumazet <edumazet@xxxxxxxxxx> commit 5b975bab23615cd0fdf67af6c9298eb01c4b9f61 upstream. We want to call inet_frags_init() earlier. This is a prereq to "inet: frags: use rhashtables for reassembly units" Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> [bwh: Backported to 4.4: Also delete a redundant assignment to ip6_frags.skb_free] Signed-off-by: Ben Hutchings <ben.hutchings@xxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/ipv6/reassembly.c | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -739,10 +739,21 @@ int __init ipv6_frag_init(void) { int ret; - ret = inet6_add_protocol(&frag_protocol, IPPROTO_FRAGMENT); + ip6_frags.hashfn = ip6_hashfn; + ip6_frags.constructor = ip6_frag_init; + ip6_frags.destructor = NULL; + ip6_frags.qsize = sizeof(struct frag_queue); + ip6_frags.match = ip6_frag_match; + ip6_frags.frag_expire = ip6_frag_expire; + ip6_frags.frags_cache_name = ip6_frag_cache_name; + ret = inet_frags_init(&ip6_frags); if (ret) goto out; + ret = inet6_add_protocol(&frag_protocol, IPPROTO_FRAGMENT); + if (ret) + goto err_protocol; + ret = ip6_frags_sysctl_register(); if (ret) goto err_sysctl; @@ -751,17 +762,6 @@ int __init ipv6_frag_init(void) if (ret) goto err_pernet; - ip6_frags.hashfn = ip6_hashfn; - ip6_frags.constructor = ip6_frag_init; - ip6_frags.destructor = NULL; - ip6_frags.skb_free = NULL; - ip6_frags.qsize = sizeof(struct frag_queue); - ip6_frags.match = ip6_frag_match; - ip6_frags.frag_expire = ip6_frag_expire; - ip6_frags.frags_cache_name = ip6_frag_cache_name; - ret = inet_frags_init(&ip6_frags); - if (ret) - goto err_pernet; out: return ret; @@ -769,6 +769,8 @@ err_pernet: ip6_frags_sysctl_unregister(); err_sysctl: inet6_del_protocol(&frag_protocol, IPPROTO_FRAGMENT); +err_protocol: + inet_frags_fini(&ip6_frags); goto out; }