diff options
Diffstat (limited to 'net/netfilter')
| -rw-r--r-- | net/netfilter/Kconfig | 4 | ||||
| -rw-r--r-- | net/netfilter/nf_conntrack_core.c | 3 | ||||
| -rw-r--r-- | net/netfilter/nfnetlink.c | 5 |
3 files changed, 7 insertions, 5 deletions
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig index a84f9221e5f..794c41d19b2 100644 --- a/net/netfilter/Kconfig +++ b/net/netfilter/Kconfig @@ -61,8 +61,8 @@ config NF_CONNTRACK_MARK instead of the individual packets. config NF_CONNTRACK_EVENTS - bool "Connection tracking events" - depends on NF_CONNTRACK + bool "Connection tracking events (EXPERIMENTAL)" + depends on EXPERIMENTAL && NF_CONNTRACK help If this option is enabled, the connection tracking code will provide a notifier chain that can be used by other kernel code diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 1da678303d7..a7c7b490cf2 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -1383,6 +1383,9 @@ void nf_conntrack_cleanup(void) schedule(); goto i_see_dead_people; } + /* wait until all references to nf_conntrack_untracked are dropped */ + while (atomic_read(&nf_conntrack_untracked.ct_general.use) > 1) + schedule(); for (i = 0; i < NF_CT_F_NUM; i++) { if (nf_ct_cache[i].use == 0) diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index a60c59b9763..95fdf04f1d8 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -162,7 +162,7 @@ nfnetlink_check_attributes(struct nfnetlink_subsystem *subsys, return -EINVAL; } - min_len = NLMSG_ALIGN(sizeof(struct nfgenmsg)); + min_len = NLMSG_SPACE(sizeof(struct nfgenmsg)); if (unlikely(nlh->nlmsg_len < min_len)) return -EINVAL; @@ -236,8 +236,7 @@ static inline int nfnetlink_rcv_msg(struct sk_buff *skb, } /* All the messages must at least contain nfgenmsg */ - if (nlh->nlmsg_len < - NLMSG_LENGTH(NLMSG_ALIGN(sizeof(struct nfgenmsg)))) { + if (nlh->nlmsg_len < NLMSG_SPACE(sizeof(struct nfgenmsg))) { DEBUGP("received message was too short\n"); return 0; } |