[NETFILTER]: nfnetlink_log: remove excessive debugging
authorPatrick McHardy <kaber@trash.net>
Tue, 18 Dec 2007 06:41:02 +0000 (22:41 -0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 28 Jan 2008 22:59:02 +0000 (14:59 -0800)
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/netfilter/nfnetlink_log.c

index 325e93a9059bdf89a67ed744801e70e4c8bcff08..c12e1d1bd00e1a8874db401a27f89eabf38beb56 100644 (file)
 #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);