Only rescan packets if we have packets to rescan. Fixes at least the surface

problem in https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9033

The underlying scoping issues may not be fully resolved yet.

svn path=/trunk/; revision=51327

1 files changed, 3 insertions, 1 deletions

diff --git a/file.c b/file.c
index fa98011455..095f3b2195 100644
--- a/file.c
+++ b/file.c
@@ -1731,7 +1731,9 @@ cf_reftime_packets(capture_file *cf)
 void
 cf_redissect_packets(capture_file *cf)
 {
-  rescan_packets(cf, "Reprocessing", "all packets", TRUE);
+  if (cf->state != FILE_CLOSED) {
+    rescan_packets(cf, "Reprocessing", "all packets", TRUE);
+  }
 }
 
 gboolean