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);
}