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-rw-r--r--net/dccp/ipv4.c8
-rw-r--r--net/dccp/ipv6.c8
-rw-r--r--net/dccp/proto.c16
3 files changed, 17 insertions, 15 deletions
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index b195c4feaa0a..4071eaf2b361 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -998,11 +998,11 @@ static struct inet_protosw dccp_v4_protosw = {
static int __net_init dccp_v4_init_net(struct net *net)
{
- int err;
+ if (dccp_hashinfo.bhash == NULL)
+ return -ESOCKTNOSUPPORT;
- err = inet_ctl_sock_create(&net->dccp.v4_ctl_sk, PF_INET,
- SOCK_DCCP, IPPROTO_DCCP, net);
- return err;
+ return inet_ctl_sock_create(&net->dccp.v4_ctl_sk, PF_INET,
+ SOCK_DCCP, IPPROTO_DCCP, net);
}
static void __net_exit dccp_v4_exit_net(struct net *net)
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 1aec6349e858..af3394df63b7 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -1191,11 +1191,11 @@ static struct inet_protosw dccp_v6_protosw = {
static int __net_init dccp_v6_init_net(struct net *net)
{
- int err;
+ if (dccp_hashinfo.bhash == NULL)
+ return -ESOCKTNOSUPPORT;
- err = inet_ctl_sock_create(&net->dccp.v6_ctl_sk, PF_INET6,
- SOCK_DCCP, IPPROTO_DCCP, net);
- return err;
+ return inet_ctl_sock_create(&net->dccp.v6_ctl_sk, PF_INET6,
+ SOCK_DCCP, IPPROTO_DCCP, net);
}
static void __net_exit dccp_v6_exit_net(struct net *net)
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index 0ef7061920c0..aa4cef374fd0 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -1036,7 +1036,7 @@ static int __init dccp_init(void)
FIELD_SIZEOF(struct sk_buff, cb));
rc = percpu_counter_init(&dccp_orphan_count, 0);
if (rc)
- goto out;
+ goto out_fail;
rc = -ENOBUFS;
inet_hashinfo_init(&dccp_hashinfo);
dccp_hashinfo.bind_bucket_cachep =
@@ -1125,8 +1125,9 @@ static int __init dccp_init(void)
goto out_sysctl_exit;
dccp_timestamping_init();
-out:
- return rc;
+
+ return 0;
+
out_sysctl_exit:
dccp_sysctl_exit();
out_ackvec_exit:
@@ -1135,18 +1136,19 @@ out_free_dccp_mib:
dccp_mib_exit();
out_free_dccp_bhash:
free_pages((unsigned long)dccp_hashinfo.bhash, bhash_order);
- dccp_hashinfo.bhash = NULL;
out_free_dccp_locks:
inet_ehash_locks_free(&dccp_hashinfo);
out_free_dccp_ehash:
free_pages((unsigned long)dccp_hashinfo.ehash, ehash_order);
- dccp_hashinfo.ehash = NULL;
out_free_bind_bucket_cachep:
kmem_cache_destroy(dccp_hashinfo.bind_bucket_cachep);
- dccp_hashinfo.bind_bucket_cachep = NULL;
out_free_percpu:
percpu_counter_destroy(&dccp_orphan_count);
- goto out;
+out_fail:
+ dccp_hashinfo.bhash = NULL;
+ dccp_hashinfo.ehash = NULL;
+ dccp_hashinfo.bind_bucket_cachep = NULL;
+ return rc;
}
static void __exit dccp_fini(void)