From: Patrick McHardy Date: Tue, 18 Dec 2007 06:41:02 +0000 (-0800) Subject: [NETFILTER]: nfnetlink_log: remove excessive debugging X-Git-Tag: firefly_0821_release~23655^2~1004 X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=1792bab4caaa85bae858799bb6231f171f59b58a;p=firefly-linux-kernel-4.4.55.git [NETFILTER]: nfnetlink_log: remove excessive debugging Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index 325e93a9059b..c12e1d1bd00e 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -45,14 +45,6 @@ #define PRINTR(x, args...) do { if (net_ratelimit()) \ printk(x, ## args); } while (0); -#if 0 -#define UDEBUG(x, args ...) printk(KERN_DEBUG "%s(%d):%s(): " x, \ - __FILE__, __LINE__, __FUNCTION__, \ - ## args) -#else -#define UDEBUG(x, ...) -#endif - struct nfulnl_instance { struct hlist_node hlist; /* global list of instances */ spinlock_t lock; @@ -93,8 +85,6 @@ __instance_lookup(u_int16_t group_num) struct hlist_node *pos; struct nfulnl_instance *inst; - UDEBUG("entering (group_num=%u)\n", group_num); - head = &instance_table[instance_hashfn(group_num)]; hlist_for_each_entry(inst, pos, head, hlist) { if (inst->group_num == group_num) @@ -127,7 +117,6 @@ static void instance_put(struct nfulnl_instance *inst) { if (inst && atomic_dec_and_test(&inst->use)) { - UDEBUG("kfree(inst=%p)\n", inst); kfree(inst); module_put(THIS_MODULE); } @@ -140,13 +129,9 @@ instance_create(u_int16_t group_num, int pid) { struct nfulnl_instance *inst; - UDEBUG("entering (group_num=%u, pid=%d)\n", group_num, - pid); - write_lock_bh(&instances_lock); if (__instance_lookup(group_num)) { inst = NULL; - UDEBUG("aborting, instance already exists\n"); goto out_unlock; } @@ -178,9 +163,6 @@ instance_create(u_int16_t group_num, int pid) hlist_add_head(&inst->hlist, &instance_table[instance_hashfn(group_num)]); - UDEBUG("newly added node: %p, next=%p\n", &inst->hlist, - inst->hlist.next); - write_unlock_bh(&instances_lock); return inst; @@ -196,9 +178,6 @@ static void __instance_destroy(struct nfulnl_instance *inst) { /* first pull it out of the global list */ - UDEBUG("removing instance %p (queuenum=%u) from hash\n", - inst, inst->group_num); - hlist_del(&inst->hlist); /* then flush all pending packets from skb */ @@ -306,8 +285,6 @@ nfulnl_alloc_skb(unsigned int inst_size, unsigned int pkt_size) struct sk_buff *skb; unsigned int n; - UDEBUG("entered (%u, %u)\n", inst_size, pkt_size); - /* alloc skb which should be big enough for a whole multipart * message. WARNING: has to be <= 128k due to slab restrictions */ @@ -342,10 +319,6 @@ __nfulnl_send(struct nfulnl_instance *inst) sizeof(struct nfgenmsg)); status = nfnetlink_unicast(inst->skb, inst->peer_pid, MSG_DONTWAIT); - if (status < 0) { - UDEBUG("netlink_unicast() failed\n"); - /* FIXME: statistics */ - } inst->qlen = 0; inst->skb = NULL; @@ -369,8 +342,6 @@ nfulnl_timer(unsigned long data) { struct nfulnl_instance *inst = (struct nfulnl_instance *)data; - UDEBUG("timer function called, flushing buffer\n"); - spin_lock_bh(&inst->lock); if (inst->skb) __nfulnl_send(inst); @@ -397,8 +368,6 @@ __build_packet_message(struct nfulnl_instance *inst, __be32 tmp_uint; sk_buff_data_t old_tail = inst->skb->tail; - UDEBUG("entered\n"); - nlh = NLMSG_PUT(inst->skb, 0, 0, NFNL_SUBSYS_ULOG << 8 | NFULNL_MSG_PACKET, sizeof(struct nfgenmsg)); @@ -544,7 +513,6 @@ __build_packet_message(struct nfulnl_instance *inst, return 0; nlmsg_failure: - UDEBUG("nlmsg_failure\n"); nla_put_failure: PRINTR(KERN_ERR "nfnetlink_log: error creating log nlmsg\n"); return -1; @@ -609,8 +577,6 @@ nfulnl_log_packet(unsigned int pf, + nla_total_size(sizeof(struct nfulnl_msg_packet_hw)) + nla_total_size(sizeof(struct nfulnl_msg_packet_timestamp)); - UDEBUG("initial size=%u\n", size); - spin_lock_bh(&inst->lock); if (inst->flags & NFULNL_CFG_F_SEQ) @@ -637,7 +603,6 @@ nfulnl_log_packet(unsigned int pf, data_len = inst->copy_range; size += nla_total_size(data_len); - UDEBUG("copy_packet, therefore size now %u\n", size); break; default: @@ -648,8 +613,6 @@ nfulnl_log_packet(unsigned int pf, size > skb_tailroom(inst->skb) - sizeof(struct nfgenmsg)) { /* either the queue len is too high or we don't have * enough room in the skb left. flush to userspace. */ - UDEBUG("flushing old skb\n"); - __nfulnl_flush(inst); } @@ -659,7 +622,6 @@ nfulnl_log_packet(unsigned int pf, goto alloc_failure; } - UDEBUG("qlen %d, qthreshold %d\n", inst->qlen, qthreshold); inst->qlen++; __build_packet_message(inst, skb, data_len, pf, @@ -681,7 +643,6 @@ unlock_and_release: return; alloc_failure: - UDEBUG("error allocating skb\n"); /* FIXME: statistics */ goto unlock_and_release; } @@ -704,7 +665,6 @@ nfulnl_rcv_nl_event(struct notifier_block *this, struct hlist_head *head = &instance_table[i]; hlist_for_each_entry_safe(inst, tmp, t2, head, hlist) { - UDEBUG("node = %p\n", inst); if ((n->net == &init_net) && (n->pid == inst->peer_pid)) __instance_destroy(inst); @@ -750,8 +710,6 @@ nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb, struct nfulnl_instance *inst; int ret = 0; - UDEBUG("entering for msg %u\n", NFNL_MSG_TYPE(nlh->nlmsg_type)); - inst = instance_lookup_get(group_num); if (inst && inst->peer_pid != NETLINK_CB(skb).pid) { ret = -EPERM; @@ -763,7 +721,6 @@ nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb, struct nfulnl_msg_config_cmd *cmd; cmd = nla_data(nfula[NFULA_CFG_CMD]); - UDEBUG("found CFG_CMD for\n"); switch (cmd->command) { case NFULNL_CFG_CMD_BIND: @@ -788,11 +745,9 @@ nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb, instance_destroy(inst); goto out; case NFULNL_CFG_CMD_PF_BIND: - UDEBUG("registering log handler for pf=%u\n", pf); ret = nf_log_register(pf, &nfulnl_logger); break; case NFULNL_CFG_CMD_PF_UNBIND: - UDEBUG("unregistering log handler for pf=%u\n", pf); /* This is a bug and a feature. We cannot unregister * other handlers, like nfnetlink_inst can */ nf_log_unregister_pf(pf);