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-rw-r--r--src/sccp_user.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/sccp_user.c b/src/sccp_user.c
index a4568cf..b0a807d 100644
--- a/src/sccp_user.c
+++ b/src/sccp_user.c
@@ -598,8 +598,13 @@ out_strings:
return NULL;
}
-struct osmo_ss7_instance *osmo_sccp_get_ss7(struct osmo_sccp_instance *sccp)
+/*! \brief get the SS7 instance that is related to the given SCCP instance
+ * \param[in] sccp SCCP instance
+ * \returns SS7 instance; NULL if sccp was NULL */
+struct osmo_ss7_instance *osmo_sccp_get_ss7(const struct osmo_sccp_instance *sccp)
{
+ if (!sccp)
+ return NULL;
return sccp->ss7;
}