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-rw-r--r--tools/perf/util/session.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index d5a8811cf8ce..fee7a7171f1a 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -2263,12 +2263,17 @@ reader__mmap(struct reader *rd, struct perf_session *session)
return 0;
}
+enum {
+ READER_OK,
+ READER_NODATA,
+};
+
static int
reader__read_event(struct reader *rd, struct perf_session *session,
struct ui_progress *prog)
{
u64 size;
- int err = 0;
+ int err = READER_OK;
union perf_event *event;
s64 skip;
@@ -2278,7 +2283,7 @@ reader__read_event(struct reader *rd, struct perf_session *session,
return PTR_ERR(event);
if (!event)
- return 1;
+ return READER_NODATA;
size = event->header.size;
@@ -2330,7 +2335,7 @@ more:
err = reader__read_event(rd, session, prog);
if (err < 0)
goto out;
- else if (err == 1)
+ else if (err == READER_NODATA)
goto remap;
if (session_done())