[tip:perf/core] perf hists browser: Remove superfluous null check on map

From: tip-bot for Colin Ian King
Date: Wed Aug 24 2016 - 05:27:33 EST

Commit-ID: 6637e6f1ac62e62a353612844db21cff9a17758b
Gitweb: http://git.kernel.org/tip/6637e6f1ac62e62a353612844db21cff9a17758b
Author: Colin Ian King <colin.king@xxxxxxxxxxxxx>
AuthorDate: Mon, 15 Aug 2016 17:25:43 +0100
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 23 Aug 2016 15:37:33 -0300

perf hists browser: Remove superfluous null check on map

'map' is being already checked if it is NULL at the start of
do_zoom_dso(), so the second subsequent check is superfluous and can be

Signed-off-by: Colin King <colin.king@xxxxxxxxxxxxx>
Acked-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1471278343-14999-1-git-send-email-colin.king@xxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
tools/perf/ui/browsers/hists.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 22e48a3..f0611c9 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -2440,8 +2440,6 @@ do_zoom_dso(struct hist_browser *browser, struct popup_action *act)
browser->hists->dso_filter = NULL;
} else {
- if (map == NULL)
- return 0;
ui_helpline__fpush("To zoom out press ESC or ENTER + \"Zoom out of %s DSO\"",
__map__is_kernel(map) ? "the Kernel" : map->dso->short_name);
browser->hists->dso_filter = map->dso;