diff options
| -rw-r--r-- | net/netfilter/nf_conntrack_netlink.c | 41 |
1 files changed, 23 insertions, 18 deletions
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index b67db695d83c..9fb7cf7504fa 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -1128,12 +1128,10 @@ ctnetlink_event_report(struct nf_conn *ct, u32 pid, int report) report); } -static int +static struct nf_conn * ctnetlink_create_conntrack(struct nlattr *cda[], struct nf_conntrack_tuple *otuple, struct nf_conntrack_tuple *rtuple, - u32 pid, - int report, u8 u3) { struct nf_conn *ct; @@ -1142,7 +1140,7 @@ ctnetlink_create_conntrack(struct nlattr *cda[], ct = nf_conntrack_alloc(&init_net, otuple, rtuple, GFP_ATOMIC); if (IS_ERR(ct)) - return -ENOMEM; + return ERR_PTR(-ENOMEM); if (!cda[CTA_TIMEOUT]) goto err; @@ -1265,18 +1263,14 @@ ctnetlink_create_conntrack(struct nlattr *cda[], ct->master = master_ct; } - nf_conntrack_get(&ct->ct_general); add_timer(&ct->timeout); nf_conntrack_hash_insert(ct); rcu_read_unlock(); - ctnetlink_event_report(ct, pid, report); - nf_ct_put(ct); - - return 0; + return ct; err: nf_conntrack_free(ct); - return err; + return ERR_PTR(err); } static int @@ -1309,14 +1303,25 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb, if (h == NULL) { err = -ENOENT; - if (nlh->nlmsg_flags & NLM_F_CREATE) - err = ctnetlink_create_conntrack(cda, - &otuple, - &rtuple, - NETLINK_CB(skb).pid, - nlmsg_report(nlh), - u3); - spin_unlock_bh(&nf_conntrack_lock); + if (nlh->nlmsg_flags & NLM_F_CREATE) { + struct nf_conn *ct; + + ct = ctnetlink_create_conntrack(cda, &otuple, + &rtuple, u3); + if (IS_ERR(ct)) { + err = PTR_ERR(ct); + goto out_unlock; + } + err = 0; + nf_conntrack_get(&ct->ct_general); + spin_unlock_bh(&nf_conntrack_lock); + ctnetlink_event_report(ct, + NETLINK_CB(skb).pid, + nlmsg_report(nlh)); + nf_ct_put(ct); + } else + spin_unlock_bh(&nf_conntrack_lock); + return err; } /* implicit 'else' */ |