static inline void get_seq(__u32 *ts, int *cpu)
 {
        preempt_disable();
-       *ts = __this_cpu_inc_return(proc_event_counts) -1;
+       *ts = __this_cpu_inc_return(proc_event_counts) - 1;
        *cpu = smp_processor_id();
        preempt_enable();
 }
        if (atomic_read(&proc_event_num_listeners) < 1)
                return;
 
-       msg = (struct cn_msg*)buffer;
-       ev = (struct proc_event*)msg->data;
+       msg = (struct cn_msg *)buffer;
+       ev = (struct proc_event *)msg->data;
        get_seq(&msg->seq, &ev->cpu);
        ktime_get_ts(&ts); /* get high res monotonic timestamp */
        put_unaligned(timespec_to_ns(&ts), (__u64 *)&ev->timestamp_ns);
        if (atomic_read(&proc_event_num_listeners) < 1)
                return;
 
-       msg = (struct cn_msg*)buffer;
-       ev = (struct proc_event*)msg->data;
+       msg = (struct cn_msg *)buffer;
+       ev = (struct proc_event *)msg->data;
        get_seq(&msg->seq, &ev->cpu);
        ktime_get_ts(&ts); /* get high res monotonic timestamp */
        put_unaligned(timespec_to_ns(&ts), (__u64 *)&ev->timestamp_ns);
        if (atomic_read(&proc_event_num_listeners) < 1)
                return;
 
-       msg = (struct cn_msg*)buffer;
-       ev = (struct proc_event*)msg->data;
+       msg = (struct cn_msg *)buffer;
+       ev = (struct proc_event *)msg->data;
        ev->what = which_id;
        ev->event_data.id.process_pid = task->pid;
        ev->event_data.id.process_tgid = task->tgid;
                ev->event_data.id.e.egid = cred->egid;
        } else {
                rcu_read_unlock();
-               return;
+               return;
        }
        rcu_read_unlock();
        get_seq(&msg->seq, &ev->cpu);
        if (atomic_read(&proc_event_num_listeners) < 1)
                return;
 
-       msg = (struct cn_msg*)buffer;
-       ev = (struct proc_event*)msg->data;
+       msg = (struct cn_msg *)buffer;
+       ev = (struct proc_event *)msg->data;
        get_seq(&msg->seq, &ev->cpu);
        ktime_get_ts(&ts); /* get high res monotonic timestamp */
        put_unaligned(timespec_to_ns(&ts), (__u64 *)&ev->timestamp_ns);
        if (atomic_read(&proc_event_num_listeners) < 1)
                return;
 
-       msg = (struct cn_msg*)buffer;
-       ev = (struct proc_event*)msg->data;
+       msg = (struct cn_msg *)buffer;
+       ev = (struct proc_event *)msg->data;
        msg->seq = rcvd_seq;
        ktime_get_ts(&ts); /* get high res monotonic timestamp */
        put_unaligned(timespec_to_ns(&ts), (__u64 *)&ev->timestamp_ns);
        if (msg->len != sizeof(*mc_op))
                return;
 
-       mc_op = (enum proc_cn_mcast_op*)msg->data;
+       mc_op = (enum proc_cn_mcast_op *)msg->data;
        switch (*mc_op) {
        case PROC_CN_MCAST_LISTEN:
                atomic_inc(&proc_event_num_listeners);
  */
 static int __init cn_proc_init(void)
 {
-       int err;
-
-       if ((err = cn_add_callback(&cn_proc_event_id, "cn_proc",
-                                  &cn_proc_mcast_ctl))) {
-               printk(KERN_WARNING "cn_proc failed to register\n");
+       int err = cn_add_callback(&cn_proc_event_id,
+                                 "cn_proc",
+                                 &cn_proc_mcast_ctl);
+       if (err) {
+               pr_warn("cn_proc failed to register\n");
                return err;
        }
        return 0;
 
 /*
- *     cn_queue.c
+ *     cn_queue.c
  *
  * 2004+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
  * All rights reserved.
 static struct cn_callback_entry *
 cn_queue_alloc_callback_entry(struct cn_queue_dev *dev, const char *name,
                              struct cb_id *id,
-                             void (*callback)(struct cn_msg *, struct netlink_skb_parms *))
+                             void (*callback)(struct cn_msg *,
+                                              struct netlink_skb_parms *))
 {
        struct cn_callback_entry *cbq;
 
        cbq = kzalloc(sizeof(*cbq), GFP_KERNEL);
        if (!cbq) {
-               printk(KERN_ERR "Failed to create new callback queue.\n");
+               pr_err("Failed to create new callback queue.\n");
                return NULL;
        }
 
 
 int cn_queue_add_callback(struct cn_queue_dev *dev, const char *name,
                          struct cb_id *id,
-                         void (*callback)(struct cn_msg *, struct netlink_skb_parms *))
+                         void (*callback)(struct cn_msg *,
+                                          struct netlink_skb_parms *))
 {
        struct cn_callback_entry *cbq, *__cbq;
        int found = 0;
        spin_unlock_bh(&dev->queue_lock);
 
        while (atomic_read(&dev->refcnt)) {
-               printk(KERN_INFO "Waiting for %s to become free: refcnt=%d.\n",
+               pr_info("Waiting for %s to become free: refcnt=%d.\n",
                       dev->name, atomic_read(&dev->refcnt));
                msleep(1000);
        }