sigtran: Split osmo_ss7_instance allocation into its own function

Change-Id: I38f9f19bb43d29999c4a7ba1a537403d1d58e880
---
M src/osmo_ss7.c
1 file changed, 19 insertions(+), 12 deletions(-)

diff --git a/src/osmo_ss7.c b/src/osmo_ss7.c
index 65fff7c..c1de76a 100644
--- a/src/osmo_ss7.c
+++ b/src/osmo_ss7.c
@@ -315,21 +315,11 @@
 	return NULL;
 }
 
-/*! \brief Find or create a SS7 Instance
- *  \param[in] ctx talloc allocation context to use for allocations
- *  \param[in] id ID of SS7 Instance
- *  \returns \ref osmo_ss7_instance on success; NULL on error */
-struct osmo_ss7_instance *
-osmo_ss7_instance_find_or_create(void *ctx, uint32_t id)
+static struct osmo_ss7_instance *
+ss7_instance_alloc(void *ctx, uint32_t id)
 {
 	struct osmo_ss7_instance *inst;
 
-	OSMO_ASSERT(ss7_initialized);
-
-	inst = osmo_ss7_instance_find(id);
-	if (inst)
-		return inst;
-
 	inst = talloc_zero(ctx, struct osmo_ss7_instance);
 	if (!inst)
 		return NULL;
@@ -360,6 +350,23 @@
 	return inst;
 }
 
+/*! \brief Find or create a SS7 Instance
+ *  \param[in] ctx talloc allocation context to use for allocations
+ *  \param[in] id ID of SS7 Instance
+ *  \returns \ref osmo_ss7_instance on success; NULL on error */
+struct osmo_ss7_instance *
+osmo_ss7_instance_find_or_create(void *ctx, uint32_t id)
+{
+	struct osmo_ss7_instance *inst;
+
+	OSMO_ASSERT(ss7_initialized);
+
+	inst = osmo_ss7_instance_find(id);
+	if (!inst)
+		inst = ss7_instance_alloc(ctx, id);
+	return inst;
+}
+
 /*! \brief Destroy a SS7 Instance
  *  \param[in] inst SS7 Instance to be destroyed */
 void osmo_ss7_instance_destroy(struct osmo_ss7_instance *inst)

