[Devel] [PATCH v2 11/27] proc connector: use generic event helper for id event

[Stanislav Kinsburskiy]

Signed-off-by: Stanislav Kinsburskiy <skinsbur...@virtuozzo.com>
---
 drivers/connector/cn_proc.c |   29 ++++++++---------------------
 1 file changed, 8 insertions(+), 21 deletions(-)

diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c
index 06fd6b3..0647fcf 100644
--- a/drivers/connector/cn_proc.c
+++ b/drivers/connector/cn_proc.c
@@ -145,21 +145,11 @@ void proc_exec_connector(struct task_struct *task)
        proc_event_connector(task, PROC_EVENT_EXEC, 0, fill_exec_event);
 }
 
-void proc_id_connector(struct task_struct *task, int which_id)
+static bool fill_id_event(struct proc_event *ev, struct task_struct *task,
+                         int which_id)
 {
-       struct cn_msg *msg;
-       struct proc_event *ev;
-       __u8 buffer[CN_PROC_MSG_SIZE] __aligned(8);
-       struct timespec ts;
        const struct cred *cred;
 
-       if (atomic_read(&proc_event_num_listeners) < 1)
-               return;
-
-       msg = buffer_to_cn_msg(buffer);
-       ev = (struct proc_event *)msg->data;
-       memset(&ev->event_data, 0, sizeof(ev->event_data));
-       ev->what = which_id;
        ev->event_data.id.process_pid = task->pid;
        ev->event_data.id.process_tgid = task->tgid;
        rcu_read_lock();
@@ -172,18 +162,15 @@ void proc_id_connector(struct task_struct *task, int 
which_id)
                ev->event_data.id.e.egid = from_kgid_munged(&init_user_ns, 
cred->egid);
        } else {
                rcu_read_unlock();
-               return;
+               return false;
        }
        rcu_read_unlock();
-       get_seq(&msg->seq, &ev->cpu);
-       ktime_get_ts(&ts); /* get high res monotonic timestamp */
-       ev->timestamp_ns = timespec_to_ns(&ts);
+       return true;
+}
 
-       memcpy(&msg->id, &cn_proc_event_id, sizeof(msg->id));
-       msg->ack = 0; /* not used */
-       msg->len = sizeof(*ev);
-       msg->flags = 0; /* not used */
-       cn_netlink_send(msg, CN_IDX_PROC, GFP_KERNEL);
+void proc_id_connector(struct task_struct *task, int which_id)
+{
+       proc_event_connector(task, which_id, which_id, fill_id_event);
 }
 
 void proc_sid_connector(struct task_struct *task)

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