pespin submitted this change.

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ipaccess: Use libosmocore API ipa_ccm_send_id_ack()

This allows getting rid of the second use of rmsg variable, and simplify
the return paths.

Change-Id: Ib8e84718337d16467726de922b410abbaffdac3a
---
M src/input/ipaccess.c
1 file changed, 6 insertions(+), 23 deletions(-)

diff --git a/src/input/ipaccess.c b/src/input/ipaccess.c
index 9e06857..fb9eaf6 100644
--- a/src/input/ipaccess.c
+++ b/src/input/ipaccess.c
@@ -825,20 +825,6 @@
 	return nmsg;
 }
 
-static struct msgb *ipa_bts_id_ack(void)
-{
-	struct msgb *nmsg2;
-
-	nmsg2 = ipa_msg_alloc(0);
-	if (!nmsg2)
-		return NULL;
-
-	*msgb_put(nmsg2, 1) = IPAC_MSGT_ID_ACK;
-	ipa_msg_push_header(nmsg2, IPAC_PROTO_IPACCESS);
-
-	return nmsg2;
-}
-
 static void ipaccess_bts_updown_cb(struct ipa_client_conn *link, int up)
 {
 	struct e1inp_line *line = link->line;
@@ -869,7 +855,6 @@
 	if (hh->proto != IPAC_PROTO_IPACCESS)
 		return 0;
 
-	struct msgb *rmsg;
 	int ret = 0;
 	uint8_t *data = msgb_l2(msg);
 	int len = msgb_l2len(msg);
@@ -891,6 +876,7 @@
 
 	/* this is a request for identification from the BSC. */
 	if (msg_type == IPAC_MSGT_ID_GET) {
+		struct msgb *rmsg;
 		int trx_nr = 0;
 
 		if (link->ofd->priv_nr >= E1INP_SIGN_RSL)
@@ -903,24 +889,21 @@
 		if (ret != rmsg->len) {
 			LOGP(DLINP, LOGL_ERROR, "cannot send ID_RESP message. Reason: %s\n",
 				strerror(errno));
-			goto err_rmsg;
+			msgb_free(rmsg);
+			goto err;
 		}
 		msgb_free(rmsg);
 
 		/* send ID_ACK. */
-		rmsg = ipa_bts_id_ack();
-		ret = ipa_send(link->ofd->fd, rmsg->data, rmsg->len);
-		if (ret != rmsg->len) {
+		ret = ipa_ccm_send_id_ack(link->ofd->fd);
+		if (ret <= 0) {
 			LOGP(DLINP, LOGL_ERROR, "cannot send ID_ACK message. Reason: %s\n",
 				strerror(errno));
-			goto err_rmsg;
+			goto err;
 		}
-		msgb_free(rmsg);
 	}
 	return 1;
 
-err_rmsg:
-	msgb_free(rmsg);
 err:
 	ipa_client_conn_close(link);
 	return -1;

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