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He Zhe authored
A NULL pointer may be passed to perf_cpu_map__cpu and then cause a crash, such as the one commit cb71f7d4 ("libperf: Setup initial evlist::all_cpus value") fix. Signed-off-by: He Zhe <zhe.he@windriver.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: Kyle Meyer <meyerk@hpe.com> Link: http://lore.kernel.org/lkml/1583665157-349023-1-git-send-email-zhe.he@windriver.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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