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 removed. Signed-off-by: Colin King <colin.king@canonical.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/1471278343-14999-1-git-send-email-colin.king@canonical.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -2440,8 +2440,6 @@ do_zoom_dso(struct hist_browser *browser, struct popup_action *act)
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browser->hists->dso_filter = NULL;
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ui_helpline__pop();
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} else {
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if (map == NULL)
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return 0;
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ui_helpline__fpush("To zoom out press ESC or ENTER + \"Zoom out of %s DSO\"",
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__map__is_kernel(map) ? "the Kernel" : map->dso->short_name);
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browser->hists->dso_filter = map->dso;
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