Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux-2.6 into perf/core

1 files changed, 6 insertions, 0 deletions

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index f9a99a1ce60..dddcc7ea2be 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -350,6 +350,12 @@ static int __cmd_report(void)
                 perf_session__fprintf_dsos(session, stdout);
 
         next = rb_first(&session->hists_tree);
+
+        if (next == NULL) {
+                ui__warning("The %s file has no samples!\n", input_name);
+                goto out_delete;
+        }
+
         while (next) {
                 struct hists *hists;