cosmetic: various comment, whitespace tweaks

Change-Id: I131939cfba4d67d7e2c935341deeb14d09523fee

openbsc/include/openbsc/gsm_data.h

@@ -103,7 +103,7 @@ struct neigh_meas_proc {
 	uint8_t last_seen_nr;
 };
 
-/* the per subscriber data for lchan */
+/* active radio connection of a mobile subscriber */
 struct gsm_subscriber_connection {
 	struct llist_head entry;
 

openbsc/src/libbsc/bsc_api.c

@@ -247,7 +247,6 @@ struct gsm_subscriber_connection *subscr_con_allocate(struct gsm_lchan *lchan)
 	if (!conn)
 		return NULL;
 
-	/* Configure the time and start it so it will be closed */
 	conn->lchan = lchan;
 	conn->bts = lchan->ts->trx->bts;
 	lchan->conn = conn;

openbsc/src/libmsc/gsm_04_08.c

@@ -1088,7 +1088,7 @@ static int gsm48_rx_mm_imsi_detach_ind(struct gsm_subscriber_connection *conn, s
 
 	if (subscr) {
 		subscr_update(subscr, bts,
-				GSM_SUBSCRIBER_UPDATE_DETACHED);
+			      GSM_SUBSCRIBER_UPDATE_DETACHED);
 		DEBUGP(DMM, "Subscriber: %s\n", subscr_name(subscr));
 
 		subscr->equipment.classmark1 = idi->classmark1;
@@ -3657,7 +3657,7 @@ int gsm0408_new_conn(struct gsm_subscriber_connection *conn)
 	return 0;
 }
 
-/* here we get data from the BSC level... */
+/* Main entry point for GSM 04.08/44.008 Layer 3 data (e.g. from the BSC). */
 int gsm0408_dispatch(struct gsm_subscriber_connection *conn, struct msgb *msg)
 {
 	struct gsm48_hdr *gh = msgb_l3(msg);

openbsc/tests/bsc/bsc_test.c

@@ -139,7 +139,7 @@ static void test_scan(void)
 	conn->bts = bts;
 	conn->sccp_con = sccp_con;
 
-	/* start testinh with proper messages */
+	/* start testing with proper messages */
 	printf("Testing BTS<->MSC message scan.\n");
 	for (i = 0; i < ARRAY_SIZE(test_scan_defs); ++i) {
 		const struct test_definition *test_def = &test_scan_defs[i];