[Devel] [PATCH RH9 14/26] proc connector: use generic event helper for coredump event

[Pavel Tikhomirov]

From: Stanislav Kinsburskiy <skinsbur...@virtuozzo.com>

Signed-off-by: Stanislav Kinsburskiy <skinsbur...@virtuozzo.com>
Reviewed-by: Andrey Ryabinin <aryabi...@virtuozzo.com>

(cherry picked from vz8 commit f2d645abc744ded52e9b376dbfbd2dca22ffba63)
Signed-off-by: Pavel Tikhomirov <ptikhomi...@virtuozzo.com>
---
 drivers/connector/cn_proc.c | 24 +++++++-----------------
 1 file changed, 7 insertions(+), 17 deletions(-)

diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c
index a954ba98b222..f8c94265639d 100644
--- a/drivers/connector/cn_proc.c
+++ b/drivers/connector/cn_proc.c
@@ -221,21 +221,11 @@ void proc_comm_connector(struct task_struct *task)
        proc_event_connector(task, PROC_EVENT_COMM, 0, fill_comm_event);
 }
 
-void proc_coredump_connector(struct task_struct *task)
+static bool fill_coredump_event(struct proc_event *ev, struct task_struct 
*task,
+                               int unused)
 {
-       struct cn_msg *msg;
-       struct proc_event *ev;
        struct task_struct *parent;
-       __u8 buffer[CN_PROC_MSG_SIZE] __aligned(8);
-
-       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->timestamp_ns = ktime_get_ns();
-       ev->what = PROC_EVENT_COREDUMP;
        ev->event_data.coredump.process_pid = task->pid;
        ev->event_data.coredump.process_tgid = task->tgid;
 
@@ -246,12 +236,12 @@ void proc_coredump_connector(struct task_struct *task)
                ev->event_data.coredump.parent_tgid = parent->tgid;
        }
        rcu_read_unlock();
+       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 */
-       send_msg(msg);
+void proc_coredump_connector(struct task_struct *task)
+{
+       proc_event_connector(task, PROC_EVENT_COREDUMP, 0, fill_coredump_event);
 }
 
 void proc_exit_connector(struct task_struct *task)
-- 
2.31.1

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