libperf evsel: Open shouldn't leak fd on failure
If perf_event_open() fails the fd is opened but it is only freed by closing (not by delete). Typically when an open fails you don't call close and so this results in a memory leak. To avoid this, add a close when open fails. Signed-off-by: Ian Rogers <irogers@google.com> Reviewed-By: Kajol Jain <kjain@linux.ibm.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rob Herring <robh@kernel.org> Cc: Stephane Eranian <eranian@google.com> Link: https://lore.kernel.org/r/20220609052355.1300162-2-irogers@google.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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