Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/lin…

…ux/kernel/git/acme/linux into perf/urgent

Pull perf/urgent fix from Arnaldo Carvalho de Melo:

  - Fix 'perf diff' initialization, calling the recently added hists__init()
    function so that extra space is allocated per perf_evsel for the hists storage
    that it also uses, just like report and top.  (Kan Liang)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

tools/perf/builtin-diff.c

@@ -1142,6 +1142,11 @@ static int data_init(int argc, const char **argv)
 
 int cmd_diff(int argc, const char **argv, const char *prefix __maybe_unused)
 {
+	int ret = hists__init();
+
+	if (ret < 0)
+		return ret;
+
 	perf_config(perf_default_config, NULL);
 
 	argc = parse_options(argc, argv, options, diff_usage, 0);