lib: ostream-file - Fix assert to be more restrictive

diff --git a/src/lib/ostream-file.c b/src/lib/ostream-file.c
index 4c2891479db1f69c3bcaa438b8cde1c3cdd33739..7ad9c0b7fd60302b5ee050fd9d7c08cd321447d4 100644 (file)
--- a/src/lib/ostream-file.c
+++ b/src/lib/ostream-file.c
@@ -880,7 +880,7 @@ io_stream_copy_backwards(struct ostream_private *outstream,
                out_offset -= read_size;
 
                for (;;) {
-                       i_assert(in_offset <= in_limit);
+                       i_assert(in_offset < in_limit);
 
                        i_stream_seek(instream, in_offset);
                        read_size = in_limit - in_offset;