avoid initial segfault

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@14993 d0543943-73ff-0310-b7d9-9358b9ac24b2

diff --git a/src/mod/endpoints/mod_sofia/sofia_reg.c b/src/mod/endpoints/mod_sofia/sofia_reg.c
index 5ea3f572729e96f82eace4a91e00fe57f522379d..66e5180d664d88f12ad8b8977ecfa5bd2aa67443 100644 (file)
--- a/src/mod/endpoints/mod_sofia/sofia_reg.c
+++ b/src/mod/endpoints/mod_sofia/sofia_reg.c
@@ -1008,7 +1008,7 @@ uint8_t sofia_reg_handle_register(nua_t *nua, sofia_profile_t *profile, nua_hand
        }
   reg:
 
-       if ((mwi_account = switch_event_get_header(*v_event, "mwi-account"))) {
+       if (v_event && *v_event && (mwi_account = switch_event_get_header(*v_event, "mwi-account"))) {
                dup_mwi_account = strdup(mwi_account);
                switch_assert(dup_mwi_account != NULL);
                sofia_glue_get_user_host(dup_mwi_account, &mwi_user, &mwi_host);