[tip:perf/urgent] perf tools: Add default handler for mmap2 events

[tip-bot for David Ahern <tipbot@zytor.com>]

Commit-ID:  6adb0b0ae26fcc35cfec068d71f13863faac5b44
Gitweb:     http://git.kernel.org/tip/6adb0b0ae26fcc35cfec068d71f13863faac5b44
Author:     David Ahern <dsahern@gmail.com>
AuthorDate: Sun, 22 Sep 2013 19:44:59 -0600
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Fri, 4 Oct 2013 15:16:04 -0300

perf tools: Add default handler for mmap2 events

Commands that do not implement an mmap2 handler should at least not die
with a segfault when processing files with MMAP2 events.

Signed-off-by: David Ahern <dsahern@gmail.com>
Link: http://lkml.kernel.org/r/1379900700-5186-5-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/session.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 70ffa41..37c4718 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -256,6 +256,8 @@ void perf_tool__fill_defaults(struct perf_tool *tool)
 		tool->sample = process_event_sample_stub;
 	if (tool->mmap == NULL)
 		tool->mmap = process_event_stub;
+	if (tool->mmap2 == NULL)
+		tool->mmap2 = process_event_stub;
 	if (tool->comm == NULL)
 		tool->comm = process_event_stub;
 	if (tool->fork == NULL)