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>

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 270f322..64d255f 100644 (file)
--- 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,