[tip:perf/core] perf callchain: Reset cursor arg instead of callchain_cursor

[tip-bot for Jiri Olsa <tipbot@zytor.com>]

Commit-ID:  914eb9ca51117776d83e6761a1c555fb76f0ded2
Gitweb:     https://git.kernel.org/tip/914eb9ca51117776d83e6761a1c555fb76f0ded2
Author:     Jiri Olsa <jolsa@kernel.org>
AuthorDate: Sun, 6 Aug 2017 16:39:39 +0200
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Thu, 16 Nov 2017 14:50:08 -0300

perf callchain: Reset cursor arg instead of callchain_cursor

We already pass cursor into thread__resolve_callchain function, so
there's no point in resetting the global instance.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-puk015qvuppao9m1xtdy9v7j@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/machine.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 270f322..64d255f 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -2204,7 +2204,7 @@ int thread__resolve_callchain(struct thread *thread,
 {
 	int ret = 0;
 
-	callchain_cursor_reset(&callchain_cursor);
+	callchain_cursor_reset(cursor);
 
 	if (callchain_param.order == ORDER_CALLEE) {
 		ret = thread__resolve_callchain_sample(thread, cursor,