perf intel-pt/bts: In auxtrace_record__init_intel() evlist is never NULL

Tidy auxtrace_record__init_intel() slightly by recognizing that evlist is
never NULL.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1520431349-30689-6-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/arch/x86/util/auxtrace.c b/tools/perf/arch/x86/util/auxtrace.c
index 6aa3f2a38321e170c9cba5cca97d85e6364ffeda..b135af62011cedbce3389e27141e59c9075e0505 100644 (file)
--- a/tools/perf/arch/x86/util/auxtrace.c
+++ b/tools/perf/arch/x86/util/auxtrace.c
@@ -37,15 +37,11 @@ struct auxtrace_record *auxtrace_record__init_intel(struct perf_evlist *evlist,
        intel_pt_pmu = perf_pmu__find(INTEL_PT_PMU_NAME);
        intel_bts_pmu = perf_pmu__find(INTEL_BTS_PMU_NAME);
 
-       if (evlist) {
-               evlist__for_each_entry(evlist, evsel) {
-                       if (intel_pt_pmu &&
-                           evsel->attr.type == intel_pt_pmu->type)
-                               found_pt = true;
-                       if (intel_bts_pmu &&
-                           evsel->attr.type == intel_bts_pmu->type)
-                               found_bts = true;
-               }
+       evlist__for_each_entry(evlist, evsel) {
+               if (intel_pt_pmu && evsel->attr.type == intel_pt_pmu->type)
+                       found_pt = true;
+               if (intel_bts_pmu && evsel->attr.type == intel_bts_pmu->type)
+                       found_bts = true;
        }
 
        if (found_pt && found_bts) {