tracefile.c: Seek fix

[lttv.git] / ltt / tracefile.c

diff --git a/ltt/tracefile.c b/ltt/tracefile.c
index 0d8a248eb859900525e528445520119247ecc485..012ce10801ec27cf63819614a477ccf5fa173e3d 100644 (file)
--- a/ltt/tracefile.c
+++ b/ltt/tracefile.c
@@ -1094,8 +1094,11 @@ int ltt_tracefile_seek_time(LttTracefile *tf, LttTime time)
       }
 
     } else if(ltt_time_compare(time, tf->buffer.begin.timestamp) < 0) {
-      /* go to lower part */
-      high = block_num - 1;
+      /*
+       * Go to lower part. We don't want block_num - 1 since block_num
+       * can equal low , in which case high < low.
+       */
+      high = block_num;
     } else if(ltt_time_compare(time, tf->buffer.end.timestamp) > 0) {
       /* go to higher part */
       low = block_num + 1;