[OpenSIPS-Devel] [OpenSIPS/opensips] f2ab0d: Proper handle the case of no usrloc domain registe...

[Bogdan-Andrei Iancu]

  Branch: refs/heads/2.1
  Home:   https://github.com/OpenSIPS/opensips
  Commit: f2ab0dad3b709521d38c2662112cfbd09b1a5085
      https://github.com/OpenSIPS/opensips/commit/f2ab0dad3b709521d38c2662112cfbd09b1a5085
  Author: Bogdan-Andrei Iancu <bogdan at opensips.org>
  Date:   2016-06-03 (Fri, 03 Jun 2016)

  Changed paths:
    M modules/nathelper/nathelper.c
    M modules/usrloc/dlist.c

  Log Message:
  -----------
  Proper handle the case of no usrloc domain registered.

Prevent get_next_udomain() crashing if there are no usrloc domains registered (reported by Qasim Akhan on users mailing list.
Do not enable the pinging support in nathelper if usrloc has no registered domains.

(cherry picked from commit 8f0c677be7dfd3fe6b17932173f14e049ae466a5)