SIP PN support: Fix possible NULL dereference

CID #211389 (cherry picked from commit a5fbad5)
OpenSIPS · Jul 17, 2020 · cc5bc2e · cc5bc2e
1 parent 2fd7f2a
commit cc5bc2e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/reg/pn.c b/lib/reg/pn.c
@@ -854,7 +854,7 @@ int pn_add_reply_purr(const ucontact_t *ct)
 	struct sip_uri puri;
 	struct pn_provider *prov;
 
-	if (!pn_enable_purr)
+	if (!pn_enable_purr || !ct)
 		return 0;
 
 	if (parse_uri(ct->c.s, ct->c.len, &puri) != 0) {