diff --git a/openbsc/src/abis_rsl.c b/openbsc/src/abis_rsl.c
index 0db2fab..0e572cc 100644
--- a/openbsc/src/abis_rsl.c
+++ b/openbsc/src/abis_rsl.c
@@ -1,4 +1,4 @@
-/* GSM Radio Signalling Link messages on the A-bis interface 
+/* GSM Radio Signalling Link messages on the A-bis interface
  * 3GPP TS 08.58 version 8.6.0 Release 1999 / ETSI TS 100 596 V8.6.0 */
 
 /* (C) 2008-2010 by Harald Welte <laforge@gnumonks.org>
@@ -222,7 +222,7 @@
 
 	LOGPC(DRSL, lvl, "CAUSE=0x%02x(%s) ",
 		cause_v[0], rsl_err_name(cause_v[0]));
-	for (i = 1; i < cause_len-1; i++) 
+	for (i = 1; i < cause_len-1; i++)
 		LOGPC(DRSL, lvl, "%02x ", cause_v[i]);
 }
 
@@ -245,7 +245,7 @@
 	return abis_rsl_sendmsg(msg);
 }
 
-int rsl_sacch_filling(struct gsm_bts_trx *trx, u_int8_t type, 
+int rsl_sacch_filling(struct gsm_bts_trx *trx, u_int8_t type,
 		      const u_int8_t *data, int len)
 {
 	struct abis_rsl_common_hdr *ch;
@@ -416,7 +416,7 @@
 }
 #endif
 
-int rsl_chan_activate_lchan(struct gsm_lchan *lchan, u_int8_t act_type, 
+int rsl_chan_activate_lchan(struct gsm_lchan *lchan, u_int8_t act_type,
 			    u_int8_t ta, u_int8_t ho_ref)
 {
 	struct abis_rsl_dchan_hdr *dh;
@@ -778,7 +778,7 @@
 			msg->lchan->state = LCHAN_S_NONE;
 	} else
 		msg->lchan->state = LCHAN_S_NONE;
- 
+
 	LOGPC(DRSL, LOGL_ERROR, "\n");
 
 	dispatch_signal(SS_LCHAN, S_LCHAN_ACTIVATE_NACK, msg->lchan);
@@ -1056,7 +1056,7 @@
 		//DEBUGP(DRSL, "%s RF Resource Indication\n", gsm_trx_name(msg->trx));
 		break;
 	case RSL_MT_OVERLOAD:
-		/* indicate CCCH / ACCH / processor overload */ 
+		/* indicate CCCH / ACCH / processor overload */
 		LOGP(DRSL, LOGL_ERROR, "%s CCCH/ACCH/CPU Overload\n",
 		     gsm_trx_name(msg->trx));
 		break;
@@ -1246,7 +1246,7 @@
 	return 0;
 }
 
-/*	ESTABLISH INDICATION, LOCATION AREA UPDATE REQUEST 
+/*	ESTABLISH INDICATION, LOCATION AREA UPDATE REQUEST
 	0x02, 0x06,
 	0x01, 0x20,
 	0x02, 0x00,
@@ -1266,7 +1266,7 @@
 	switch (rllh->c.msg_type) {
 	case RSL_MT_DATA_IND:
 		DEBUGPC(DRLL, "DATA INDICATION\n");
-		if (msgb_l2len(msg) > 
+		if (msgb_l2len(msg) >
 		    sizeof(struct abis_rsl_common_hdr) + sizeof(*rllh) &&
 		    rllh->data[0] == RSL_IE_L3_INFO) {
 			msg->l3h = &rllh->data[3];
@@ -1278,7 +1278,7 @@
 		/* lchan is established, stop T3101 */
 		msg->lchan->sapis[rllh->link_id & 0x7] = LCHAN_SAPI_MS;
 		bsc_del_timer(&msg->lchan->T3101);
-		if (msgb_l2len(msg) > 
+		if (msgb_l2len(msg) >
 		    sizeof(struct abis_rsl_common_hdr) + sizeof(*rllh) &&
 		    rllh->data[0] == RSL_IE_L3_INFO) {
 			msg->l3h = &rllh->data[3];