[sr-dev] git:master: modules_k/dialog: Show error message and return from function

Module: sip-router Branch: master Commit: 8e400e86fe48202b05dd4e439a208945bb233353 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=8e400e8… Author: Timo Reimann &lt;timo.reimann(a)1und1.de&gt; Committer: Timo Reimann &lt;timo.reimann(a)1und1.de&gt; Date: Mon Aug 29 18:09:51 2011 +0200 modules_k/dialog: Show error message and return from function prematurely if trying to remove a non-existing dialog variable. - Fixes a segfaulting bug. --- modules_k/dialog/dlg_var.c | 9 +++++++-- 1 files changed, 7 insertions(+), 2 deletions(-) diff --git a/modules_k/dialog/dlg_var.c b/modules_k/dialog/dlg_var.c index 6483233..51ce8eb 100644 --- a/modules_k/dialog/dlg_var.c +++ b/modules_k/dialog/dlg_var.c @@ -149,9 +149,14 @@ int set_dlg_variable_unsafe(struct dlg_cell *dlg, str *key, str *val, int new) } } - /* not found -> simply add a new one */ + /* not found: */ - /* insert at the beginning of the list */ + if (!var) { + LM_ERR("dialog variable <%.*s> does not exist in variable list\n", key->len, key->s); + return -1; + } + + /* insert a new one at the beginning of the list */ var->next = *var_list; *var_list = var;