perf_events: Undo copy/paste damage
We had two almost identical functions, avoid the duplication.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <20091123103819.537537928@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 20df8ab..e2daa10 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -1704,31 +1704,6 @@
call_rcu(&event->rcu_head, free_event_rcu);
}
-/*
- * Called when the last reference to the file is gone.
- */
-static int perf_release(struct inode *inode, struct file *file)
-{
- struct perf_event *event = file->private_data;
- struct perf_event_context *ctx = event->ctx;
-
- file->private_data = NULL;
-
- WARN_ON_ONCE(ctx->parent_ctx);
- mutex_lock(&ctx->mutex);
- perf_event_remove_from_context(event);
- mutex_unlock(&ctx->mutex);
-
- mutex_lock(&event->owner->perf_event_mutex);
- list_del_init(&event->owner_entry);
- mutex_unlock(&event->owner->perf_event_mutex);
- put_task_struct(event->owner);
-
- free_event(event);
-
- return 0;
-}
-
int perf_event_release_kernel(struct perf_event *event)
{
struct perf_event_context *ctx = event->ctx;
@@ -1749,6 +1724,18 @@
}
EXPORT_SYMBOL_GPL(perf_event_release_kernel);
+/*
+ * Called when the last reference to the file is gone.
+ */
+static int perf_release(struct inode *inode, struct file *file)
+{
+ struct perf_event *event = file->private_data;
+
+ file->private_data = NULL;
+
+ return perf_event_release_kernel(event);
+}
+
static int perf_event_read_size(struct perf_event *event)
{
int entry = sizeof(u64); /* value */
