Since a sip request's data field is now a stringfield, we not only have to check

if the string is zero-length, but also if the data field is non-null.

(closes issue #12250)
Reported by: caio1982

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@109681 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 36804f15701d5e6af8e1261df4ede37d91722d92..ef0227ce051451c91c1d0254319c57a83d631822 100644 (file)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -4763,7 +4763,7 @@ static int sip_hangup(struct ast_channel *ast)
                sip_scheddestroy(p, DEFAULT_TRANS_TIMEOUT);
 
        /* Start the process if it's not already started */
-       if (!p->alreadygone && !ast_strlen_zero(p->initreq.data->str)) {
+       if (!p->alreadygone && p->initreq.data && !ast_strlen_zero(p->initreq.data->str)) {
                if (needcancel) {       /* Outgoing call, not up */
                        if (ast_test_flag(&p->flags[0], SIP_OUTGOING)) {
                                /* stop retransmitting an INVITE that has not received a response */