From: Jiri Olsa <[email protected]>

Add a  'data_size' member to the reader object. Keep the 'data_size'
variable instead of replacing it with rd.data_size as it will be used in
the following patch.

Signed-off-by: Jiri Olsa <[email protected]>
Acked-by: Namhyung Kim <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/util/session.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 06379cc87f59..9f29ed743425 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1822,17 +1822,19 @@ fetch_mmaped_event(struct perf_session *session,
 
 struct reader {
        int     fd;
+       u64     data_size;
 };
 
 static int __perf_session__process_events(struct perf_session *session)
 {
        struct reader rd = {
                .fd             = perf_data__fd(session->data),
+               .data_size      = session->header.data_size,
        };
        struct ordered_events *oe = &session->ordered_events;
        struct perf_tool *tool = session->tool;
        u64 data_offset = session->header.data_offset;
-       u64 data_size = session->header.data_size;
+       u64 data_size = rd.data_size;
        u64 head, page_offset, file_offset, file_pos, size;
        int err, mmap_prot, mmap_flags, map_idx = 0;
        size_t  mmap_size;
-- 
2.20.1

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