[tip:perf/urgent] perf: Remove duplicate invocation on perf_event_for_each

[tip-bot for Namhyung Kim <namhyung.kim@lge.com>]

Commit-ID:  cb7225feec627e91d598198996429e9ee6804f8d
Gitweb:     http://git.kernel.org/tip/cb7225feec627e91d598198996429e9ee6804f8d
Author:     Namhyung Kim <namhyung.kim@lge.com>
AuthorDate: Thu, 31 May 2012 14:51:44 +0900
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Thu, 31 May 2012 14:01:00 -0300

perf: Remove duplicate invocation on perf_event_for_each

The @func callback was invoked twice for group leader when
perf_event_for_each() called. It seems the commit 75f937f24bd9
("perf_counter: Fix ctx->mutex vs counter ->mutex inversion") made the
mistake during the change.

Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1338443506-25009-1-git-send-email-namhyung.kim@lge.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 kernel/events/core.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 5b06cbb..f85c015 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -3181,7 +3181,6 @@ static void perf_event_for_each(struct perf_event *event,
 	event = event->group_leader;
 
 	perf_event_for_each_child(event, func);
-	func(event);
 	list_for_each_entry(sibling, &event->sibling_list, group_entry)
 		perf_event_for_each_child(sibling, func);
 	mutex_unlock(&ctx->mutex);