perf header: perf_header__push_event() shouldn't die

Just propagate eventual errors.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1262047716-23171-2-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 10 insertions, 6 deletions

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 6b3cb94e8a2b..709e3252f049 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -105,24 +105,28 @@ struct perf_trace_event_type {
 static int event_count;
 static struct perf_trace_event_type *events;
 
-void perf_header__push_event(u64 id, const char *name)
+int perf_header__push_event(u64 id, const char *name)
 {
         if (strlen(name) > MAX_EVENT_NAME)
                 pr_warning("Event %s will be truncated\n", name);
 
         if (!events) {
                 events = malloc(sizeof(struct perf_trace_event_type));
-                if (!events)
-                        die("nomem");
+                if (events == NULL)
+                        return -ENOMEM;
         } else {
-                events = realloc(events, (event_count + 1) * sizeof(struct perf_trace_event_type));
-                if (!events)
-                        die("nomem");
+                struct perf_trace_event_type *nevents;
+
+                nevents = realloc(events, (event_count + 1) * sizeof(*events));
+                if (nevents == NULL)
+                        return -ENOMEM;
+                events = nevents;
         }
         memset(&events[event_count], 0, sizeof(struct perf_trace_event_type));
         events[event_count].event_id = id;
         strncpy(events[event_count].name, name, MAX_EVENT_NAME - 1);
         event_count++;
+        return 0;
 }
 
 char *perf_header__find_event(u64 id)