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>

1 files changed, 6 insertions, 9 deletions

diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 70b6bd3b781e..6a57f10a4e0b 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -785,10 +785,9 @@ static struct notifier_block nfulnl_rtnl_notifier = {
 	.notifier_call	= nfulnl_rcv_nl_event,
 };
 
-static int
-nfulnl_recv_unsupp(struct sock *ctnl, struct sk_buff *skb,
-		   const struct nlmsghdr *nlh,
-		   const struct nlattr * const nfqa[])
+static int nfulnl_recv_unsupp(struct net *net, struct sock *ctnl,
+			      struct sk_buff *skb, const struct nlmsghdr *nlh,
+			      const struct nlattr * const nfqa[])
 {
 	return -ENOTSUPP;
 }
@@ -809,16 +808,14 @@ static const struct nla_policy nfula_cfg_policy[NFULA_CFG_MAX+1] = {
 	[NFULA_CFG_FLAGS]	= { .type = NLA_U16 },
 };
 
-static int
-nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb,
-		   const struct nlmsghdr *nlh,
-		   const struct nlattr * const nfula[])
+static int nfulnl_recv_config(struct net *net, struct sock *ctnl,
+			      struct sk_buff *skb, const struct nlmsghdr *nlh,
+			      const struct nlattr * const nfula[])
 {
 	struct nfgenmsg *nfmsg = nlmsg_data(nlh);
 	u_int16_t group_num = ntohs(nfmsg->res_id);
 	struct nfulnl_instance *inst;
 	struct nfulnl_msg_config_cmd *cmd = NULL;
-	struct net *net = sock_net(ctnl);
 	struct nfnl_log_net *log = nfnl_log_pernet(net);
 	int ret = 0;
 	u16 flags = 0;