Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/urgent tooling fix from Arnaldo Carvalho de Melo:

  User visible changes:

    - Fix 'perf list' segfault due to lack of support for PERF_CONF_SW_BPF_OUTPUT
      in an array used just for printing available events, robustify the code
      involved (Arnaldo Carvalho de Melo)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index e48d9da75707..6fc8cd753e1a 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -124,6 +124,10 @@ struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = {
                 .symbol = "dummy",
                 .alias  = "",
         },
+        [PERF_COUNT_SW_BPF_OUTPUT] = {
+                .symbol = "bpf-output",
+                .alias  = "",
+        },
 };
 
 #define __PERF_EVENT_FIELD(config, name) \
@@ -1879,7 +1883,7 @@ restart:
 
         for (i = 0; i < max; i++, syms++) {
 
-                if (event_glob != NULL &&
+                if (event_glob != NULL && syms->symbol != NULL &&
                     !(strglobmatch(syms->symbol, event_glob) ||
                       (syms->alias && strglobmatch(syms->alias, event_glob))))
                         continue;