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perf lock: Fix a memory leak on an error path

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If a memory allocation fails then the strdup-ed string needs
freeing. Detected by clang-tidy.

Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Yang Jihong <yangjihong1@huawei.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: llvm@lists.linux.dev
Cc: Ming Wang <wangming01@loongson.cn>
Cc: Tom Rix <trix@redhat.com>
Cc: bpf@vger.kernel.org
Link: https://lore.kernel.org/r/20231009183920.200859-15-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Ian Rogers 2023-10-09 11:39:15 -07:00 committed by Namhyung Kim
parent 63d471979e
commit 1370406d35
1 changed files with 1 additions and 0 deletions
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tools/perf/builtin-lock.c
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@ -2478,6 +2478,7 @@ static int parse_call_stack(const struct option *opt __maybe_unused, const char
entry = malloc(sizeof(*entry) + strlen(tok) + 1);
if (entry == NULL) {
pr_err("Memory allocation failure\n");
free(s);
return -1;
}