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authorGautam Menghani <gautam@linux.ibm.com>2025-08-04 16:36:01 +0530
committerArnaldo Carvalho de Melo <acme@redhat.com>2025-09-19 12:14:29 -0300
commit54a7685fd2d687dc4a7015d7bc32614d65d0d05a (patch)
tree114e3266c1a49a7bbfa18ebded24194fd994d5cf
parentacd331d706f6b11e56670875fb228379feb7906c (diff)
perf auxtrace: Avoid redundant NULL check in auxtrace_mmap_params__set_idx()
Since commit eead8a011477 ("libperf threadmap: Don't segv for index 0 for the NULL 'struct perf_thread_map' pointer"), perf_thread_map__pid() can check for a NULL map and return -1 if idx is 0. Cleanup auxtrace_mmap_params__set_idx() and remove the redundant NULL check. No functional change intended. Reviewed-by: Aditya Bodkhe <adityab1@linux.ibm.com> Reviewed-by: Adrian Hunter <adrian.hunter@intel.com> Reviewed-by: Amit Machhiwal <amachhiw@linux.ibm.com> Signed-off-by: Gautam Menghani <gautam@linux.ibm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/util/auxtrace.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
index ebd32f1b8f12..5e437133c753 100644
--- a/tools/perf/util/auxtrace.c
+++ b/tools/perf/util/auxtrace.c
@@ -185,10 +185,7 @@ void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp,
if (per_cpu) {
mp->cpu = perf_cpu_map__cpu(evlist->core.all_cpus, idx);
- if (evlist->core.threads)
- mp->tid = perf_thread_map__pid(evlist->core.threads, 0);
- else
- mp->tid = -1;
+ mp->tid = perf_thread_map__pid(evlist->core.threads, 0);
} else {
mp->cpu.cpu = -1;
mp->tid = perf_thread_map__pid(evlist->core.threads, idx);