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perf script perl: Fail check on dynamic allocation

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Return ENOMEM when dynamic allocation failed.

Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: zhaimingbing <zhaimingbing@cmss.chinamobile.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Li Dong <lidong@vivo.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/r/20231120112356.8652-1-zhaimingbing@cmss.chinamobile.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
zhaimingbing 2023-11-20 19:23:56 +08:00 committed by Arnaldo Carvalho de Melo
parent b457c52607
commit cd38d6b5fa
1 changed files with 3 additions and 0 deletions
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3
tools/perf/util/scripting-engines/trace-event-perl.c
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@ -490,6 +490,9 @@ static int perl_start_script(const char *script, int argc, const char **argv,
scripting_context->session = session;
command_line = malloc((argc + 2) * sizeof(const char *));
if (!command_line)
return -ENOMEM;
command_line[0] = "";
command_line[1] = script;
for (i = 2; i < argc + 2; i++)