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perf lock: Fix a memory leak on an error path

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if a strdup-ed string is NULL,the allocated memory needs freeing.

Signed-off-by: zhaimingbing <zhaimingbing@cmss.chinamobile.com>
Acked-by: Ingo Molnar <mingo@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.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/20231124092657.10392-1-zhaimingbing@cmss.chinamobile.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
zhaimingbing 2023-11-24 17:26:57 +08:00 committed by Arnaldo Carvalho de Melo
parent a24d9d9dc0
commit 4a18ab4678
1 changed files with 3 additions and 1 deletions
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4
tools/perf/builtin-lock.c
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@ -2285,8 +2285,10 @@ static int __cmd_record(int argc, const char **argv)
else
ev_name = strdup(contention_tracepoints[j].name);
if (!ev_name)
if (!ev_name) {
free(rec_argv);
return -ENOMEM;
}
rec_argv[i++] = "-e";
rec_argv[i++] = ev_name;