perf report: Free generated help strings for sort option
ASan reports the memory leak of the strings allocated by sort_help() when running perf report. This patch changes the returned pointer to char* (instead of const char*), saves it in a temporary variable, and finally deallocates it at function exit. Signed-off-by:Riccardo Mancini <rickyman7@gmail.com> Fixes: 702fb9b4 ("perf report: Show all sort keys in help output") Cc: Andi Kleen <ak@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/a38b13f02812a8a6759200b9063c6191337f44d4.1626343282.git.rickyman7@gmail.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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