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author | Pablo Neira Ayuso <pablo@netfilter.org> | 2015-12-15 18:41:56 +0100 |
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committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2015-12-28 18:41:41 +0100 |
commit | 7b8002a1511fcbcb0596cac90d67ad5c8182d0aa (patch) | |
tree | 5201e4e33876ffd227da07e41c6b1984508c0bb9 /net/netfilter/nfnetlink_cttimeout.c | |
parent | f4c756b4ea7d2921391febcaed4ce2511872a0e1 (diff) | |
download | linux-stable-7b8002a1511fcbcb0596cac90d67ad5c8182d0aa.tar.gz linux-stable-7b8002a1511fcbcb0596cac90d67ad5c8182d0aa.tar.bz2 linux-stable-7b8002a1511fcbcb0596cac90d67ad5c8182d0aa.zip |
netfilter: nfnetlink: pass down netns pointer to call() and call_rcu()
Adapt callsites to avoid recurrent lookup of the netns pointer.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/nfnetlink_cttimeout.c')
-rw-r--r-- | net/netfilter/nfnetlink_cttimeout.c | 42 |
1 files changed, 19 insertions, 23 deletions
diff --git a/net/netfilter/nfnetlink_cttimeout.c b/net/netfilter/nfnetlink_cttimeout.c index 3921d544f5ba..5d010f27ac01 100644 --- a/net/netfilter/nfnetlink_cttimeout.c +++ b/net/netfilter/nfnetlink_cttimeout.c @@ -65,16 +65,15 @@ ctnl_timeout_parse_policy(void *timeouts, struct nf_conntrack_l4proto *l4proto, return ret; } -static int -cttimeout_new_timeout(struct sock *ctnl, struct sk_buff *skb, - const struct nlmsghdr *nlh, - const struct nlattr * const cda[]) +static int cttimeout_new_timeout(struct net *net, struct sock *ctnl, + struct sk_buff *skb, + const struct nlmsghdr *nlh, + const struct nlattr * const cda[]) { __u16 l3num; __u8 l4num; struct nf_conntrack_l4proto *l4proto; struct ctnl_timeout *timeout, *matching = NULL; - struct net *net = sock_net(skb->sk); char *name; int ret; @@ -239,12 +238,11 @@ ctnl_timeout_dump(struct sk_buff *skb, struct netlink_callback *cb) return skb->len; } -static int -cttimeout_get_timeout(struct sock *ctnl, struct sk_buff *skb, - const struct nlmsghdr *nlh, - const struct nlattr * const cda[]) +static int cttimeout_get_timeout(struct net *net, struct sock *ctnl, + struct sk_buff *skb, + const struct nlmsghdr *nlh, + const struct nlattr * const cda[]) { - struct net *net = sock_net(skb->sk); int ret = -ENOENT; char *name; struct ctnl_timeout *cur; @@ -339,15 +337,14 @@ static int ctnl_timeout_try_del(struct net *net, struct ctnl_timeout *timeout) return ret; } -static int -cttimeout_del_timeout(struct sock *ctnl, struct sk_buff *skb, - const struct nlmsghdr *nlh, - const struct nlattr * const cda[]) +static int cttimeout_del_timeout(struct net *net, struct sock *ctnl, + struct sk_buff *skb, + const struct nlmsghdr *nlh, + const struct nlattr * const cda[]) { - struct net *net = sock_net(skb->sk); - char *name; struct ctnl_timeout *cur; int ret = -ENOENT; + char *name; if (!cda[CTA_TIMEOUT_NAME]) { list_for_each_entry(cur, &net->nfct_timeout_list, head) @@ -370,15 +367,14 @@ cttimeout_del_timeout(struct sock *ctnl, struct sk_buff *skb, return ret; } -static int -cttimeout_default_set(struct sock *ctnl, struct sk_buff *skb, - const struct nlmsghdr *nlh, - const struct nlattr * const cda[]) +static int cttimeout_default_set(struct net *net, struct sock *ctnl, + struct sk_buff *skb, + const struct nlmsghdr *nlh, + const struct nlattr * const cda[]) { __u16 l3num; __u8 l4num; struct nf_conntrack_l4proto *l4proto; - struct net *net = sock_net(skb->sk); unsigned int *timeouts; int ret; @@ -460,14 +456,14 @@ nla_put_failure: return -1; } -static int cttimeout_default_get(struct sock *ctnl, struct sk_buff *skb, +static int cttimeout_default_get(struct net *net, struct sock *ctnl, + struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const cda[]) { __u16 l3num; __u8 l4num; struct nf_conntrack_l4proto *l4proto; - struct net *net = sock_net(skb->sk); struct sk_buff *skb2; int ret, err; |