if there's leftover bytes, ensure there's always more data to read

diff --git a/src/modules/proto_detail/proto_detail_work.c b/src/modules/proto_detail/proto_detail_work.c
index 73c67eac1df8ca3ec1ef9f27486d23240326cba5..f1d4019328e3222cd56b9444e693929533968ce1 100644 (file)
--- a/src/modules/proto_detail/proto_detail_work.c
+++ b/src/modules/proto_detail/proto_detail_work.c
@@ -440,6 +440,11 @@ done:
        if (!inst->paused) {
                (void) fr_event_filter_update(inst->el, inst->fd, FR_EVENT_FILTER_IO, pause_read);
                inst->paused = true;
+
+               /*
+                *      Back up so that read() knows there's more data.
+                */
+               if (*leftover) (void) lseek(inst->fd, inst->read_offset - 1, SEEK_SET);
        }
 
        /*