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libperf cpumap: Be tolerant of newline at the end of a cpumask

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File cpumasks often have a newline that shouldn't trigger the invalid
parsing case in perf_cpu_map__new().

Reviewed-by: Leo Yan <leo.yan@arm.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ben Gainey <ben.gainey@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Kyle Meyer <kyle.meyer@hpe.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20241206044035.1062032-5-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers
2024-12-05 20:40:31 -08:00
committed by Arnaldo Carvalho de Melo
parent e8399d34d5
commit 5d2fd516bb
1 changed files with 2 additions and 2 deletions
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4
tools/lib/perf/cpumap.c
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@@ -241,7 +241,7 @@ struct perf_cpu_map *perf_cpu_map__new(const char *cpu_list)
p = NULL;
start_cpu = strtoul(cpu_list, &p, 0);
if (start_cpu >= INT_MAX
|| (*p != '\0' && *p != ',' && *p != '-'))
|| (*p != '\0' && *p != ',' && *p != '-' && *p != '\n'))
goto invalid;
if (*p == '-') {
@@ -249,7 +249,7 @@ struct perf_cpu_map *perf_cpu_map__new(const char *cpu_list)
p = NULL;
end_cpu = strtoul(cpu_list, &p, 0);
if (end_cpu >= INT_MAX || (*p != '\0' && *p != ','))
if (end_cpu >= INT_MAX || (*p != '\0' && *p != ',' && *p != '\n'))
goto invalid;
if (end_cpu < start_cpu)