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-rw-r--r--channels/chan_sip.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index fa9899027..acf5a147e 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -27425,7 +27425,7 @@ static int handle_request_cancel(struct sip_pvt *p, struct sip_request *req)
} else {
sip_scheddestroy(p, DEFAULT_TRANS_TIMEOUT);
}
- if (ast_str_strlen(p->initreq.data) > 0) {
+ if (p->initreq.data && ast_str_strlen(p->initreq.data) > 0) {
struct sip_pkt *pkt, *prev_pkt;
/* If the CANCEL we are receiving is a retransmission, and we already have scheduled
* a reliable 487, then we don't want to schedule another one on top of the previous