net-2.6 [Bug-Fix][dccp]: fix oops caused after failed initialisation

[sfrench/cifs-2.6.git] / net / dccp / ipv4.c

diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index b195c4feaa0ae3390fefad4d06e50d43f08acf83..4071eaf2b361225a846780fe44e12b77476323f4 100644 (file)
--- 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)