Fix crash during destruction of second channel when variable set with setvar.

The setvar line in chan_dahdi.conf is shared among all the channels, so make
sure to only free the resources only when the last channel is destroyed.

(closes issue #15899)
Reported by: tzafrir



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@222298 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Jeff Peeler 2009-10-06 19:24:59 +00:00
parent 78012e4f71
commit 0c7f4cfb85
1 changed files with 2 additions and 1 deletions

View File

@ -4881,8 +4881,9 @@ static void destroy_dahdi_pvt(struct dahdi_pvt *pvt)
ast_smdi_interface_unref(p->smdi_iface);
if (p->mwi_event_sub)
ast_event_unsubscribe(p->mwi_event_sub);
if (p->vars)
if (p->vars && iflist && !iflist->next) {
ast_variables_destroy(p->vars);
}
ast_mutex_destroy(&p->lock);
dahdi_close_sub(p, SUB_REAL);
if (p->owner)