1 files changed, 4 insertions, 7 deletions

diff --git a/tools/perf/util/data_map.c b/tools/perf/util/data_map.c
index 66e58aaecce3..aacb814a4eff 100644
--- a/tools/perf/util/data_map.c
+++ b/tools/perf/util/data_map.c
@@ -70,18 +70,15 @@ process_event(event_t *event, unsigned long offset, unsigned long head)
         }
 }
 
-int perf_header__read_build_ids(const struct perf_header *self,
-                                int input, off_t file_size)
+int perf_header__read_build_ids(int input, off_t size)
 {
-        off_t offset = self->data_offset + self->data_size;
         struct build_id_event bev;
         char filename[PATH_MAX];
+        off_t offset = lseek(input, 0, SEEK_CUR);
+        off_t limit = offset + size;
         int err = -1;
 
-        if (lseek(input, offset, SEEK_SET) < 0)
-                return -1;
-
-        while (offset < file_size) {
+        while (offset < limit) {
                 struct dso *dso;
                 ssize_t len;