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res_pjsip: Add missing NULL checks when using pjsip_inv_end_session().

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pjsip_inv_end_session() is documented as being able to return the
passed in tdata parameter set to NULL on success.

Change-Id: I09d53725c49b7183c41bfa1be3ff225f3a8d3047
This commit is contained in:
Richard Mudgett
2016-06-22 18:02:59 -05:00
parent 5ad7e1c09a
commit 656ed73ac6
3 changed files with 10 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
channels/chan_pjsip.c
View File

@@ -1466,7 +1466,8 @@ static void transfer_redirect(struct ast_sip_session *session, const char *targe
pjsip_contact_hdr *contact;
pj_str_t tmp;
if (pjsip_inv_end_session(session->inv_session, 302, NULL, &packet) != PJ_SUCCESS) {
if (pjsip_inv_end_session(session->inv_session, 302, NULL, &packet) != PJ_SUCCESS
|| !packet) {
ast_log(LOG_WARNING, "Failed to redirect PJSIP session for channel %s\n",
ast_channel_name(session->channel));
message = AST_TRANSFER_FAILED;
@@ -2231,7 +2232,8 @@ static int chan_pjsip_incoming_request(struct ast_sip_session *session, struct p
ast_sip_session_add_datastore(session, datastore);
if (!(session->channel = chan_pjsip_new(session, AST_STATE_RING, session->exten, NULL, NULL, NULL, NULL))) {
if (pjsip_inv_end_session(session->inv_session, 503, NULL, &packet) == PJ_SUCCESS) {
if (pjsip_inv_end_session(session->inv_session, 503, NULL, &packet) == PJ_SUCCESS
&& packet) {
ast_sip_session_send_response(session, packet);
}

3
res/res_pjsip_refer.c
View File

@@ -969,7 +969,8 @@ inv_replace_failed:
session->defer_terminate = 1;
ast_hangup(session->channel);
if (pjsip_inv_end_session(session->inv_session, response, NULL, &packet) == PJ_SUCCESS) {
if (pjsip_inv_end_session(session->inv_session, response, NULL, &packet) == PJ_SUCCESS
&& packet) {
ast_sip_session_send_response(session, packet);
}
} else {

6
res/res_pjsip_session.c
View File

@@ -2651,7 +2651,8 @@ static void session_inv_on_tsx_state_changed(pjsip_inv_session *inv, pjsip_trans
}
if (tsx->status_code != 488) {
/* Other reinvite failures (except 488) result in destroying the session. */
if (pjsip_inv_end_session(inv, 500, NULL, &tdata) == PJ_SUCCESS) {
if (pjsip_inv_end_session(inv, 500, NULL, &tdata) == PJ_SUCCESS
&& tdata) {
ast_sip_session_send_request(session, tdata);
}
}
@@ -2664,7 +2665,8 @@ static void session_inv_on_tsx_state_changed(pjsip_inv_session *inv, pjsip_trans
* a cancelled call. Our role is to immediately send a BYE to end the
* dialog.
*/
if (pjsip_inv_end_session(inv, 500, NULL, &tdata) == PJ_SUCCESS) {
if (pjsip_inv_end_session(inv, 500, NULL, &tdata) == PJ_SUCCESS
&& tdata) {
ast_sip_session_send_request(session, tdata);
}
}