getcapabilities avoid panic when cell is not filled

for a new server, getcapabilities is not safe, as cell may not be filled.

Change-Id: I0926034c1d9e9c8c08e7ca993de1bcef9c0de8cf
Reviewed-on: http://gerrit.openafs.org/2016
Reviewed-by: Russ Allbery <rra@stanford.edu>
Reviewed-by: Simon Wilkinson <sxw@inf.ed.ac.uk>
Reviewed-by: Marc Dionne <marc.c.dionne@gmail.com>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>

diff --git a/src/afs/afs_server.c b/src/afs/afs_server.c
index 7b5949c..32c2891 100644 (file)
--- a/src/afs/afs_server.c
+++ b/src/afs/afs_server.c
@@ -1696,7 +1696,7 @@ afs_GetCapabilities(struct server *ts)
     struct unixuser *tu;
     afs_int32 code;
 
-    if ( !ts )
+    if ( !ts || !ts->cell )
        return;
     if ( !afs_osi_credp )
        return;