Revert "Update search_log.go"

This reverts commit 650740f.
pingcap · Jul 8, 2020 · f628718 · f628718
1 parent 650740f
commit f628718
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/search_log.go b/search_log.go
@@ -191,10 +191,9 @@ func readLastLines(file *os.File, endCursor int64) string {
 
 		var size int64 = 512
 		if cursor < size {
-			cursor = 0
-		} else {
-			cursor -= size
+			size = cursor
 		}
+		cursor -= size
 
 		file.Seek(cursor, io.SeekStart)
 		chars := make([]byte, size)