diff --git a/sys/dev/et/if_et.c b/sys/dev/et/if_et.c
index e6e5d60e618e..d3ea9fc844b9 100644
--- a/sys/dev/et/if_et.c
+++ b/sys/dev/et/if_et.c
@@ -1358,7 +1358,7 @@ et_free_rx_ring(struct et_softc *sc)
 			struct et_rxbuf *rb = &rbd->rbd_buf[i];
 
 			if (rb->rb_mbuf != NULL) {
-				bus_dmamap_unload(sc->sc_mbuf_dtag, 
+				bus_dmamap_unload(sc->sc_mbuf_dtag,
 			  	    rb->rb_dmap);
 				m_freem(rb->rb_mbuf);
 				rb->rb_mbuf = NULL;
diff --git a/sys/dev/et/if_etreg.h b/sys/dev/et/if_etreg.h
index 637c1941627c..1f6f48fec1ad 100644
--- a/sys/dev/et/if_etreg.h
+++ b/sys/dev/et/if_etreg.h
@@ -1,13 +1,13 @@
 /*-
  * Copyright (c) 2007 The DragonFly Project.  All rights reserved.
- * 
+ *
  * This code is derived from software contributed to The DragonFly Project
  * by Sepherosa Ziehau <sepherosa@gmail.com>
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
- * 
+ *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ -17,7 +17,7 @@
  * 3. Neither the name of The DragonFly Project nor the names of its
  *    contributors may be used to endorse or promote products derived
  *    from this software without specific, prior written permission.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
@@ -30,7 +30,7 @@
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- * 
+ *
  * $DragonFly: src/sys/dev/netif/et/if_etreg.h,v 1.3 2007/10/23 14:28:42 sephe Exp $
  * $FreeBSD$
  */
diff --git a/sys/dev/et/if_etvar.h b/sys/dev/et/if_etvar.h
index 5077745d9de5..198d20cb28b1 100644
--- a/sys/dev/et/if_etvar.h
+++ b/sys/dev/et/if_etvar.h
@@ -1,13 +1,13 @@
 /*-
  * Copyright (c) 2007 The DragonFly Project.  All rights reserved.
- * 
+ *
  * This code is derived from software contributed to The DragonFly Project
  * by Sepherosa Ziehau <sepherosa@gmail.com>
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
- * 
+ *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ -17,7 +17,7 @@
  * 3. Neither the name of The DragonFly Project nor the names of its
  *    contributors may be used to endorse or promote products derived
  *    from this software without specific, prior written permission.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
@@ -30,7 +30,7 @@
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- * 
+ *
  * $DragonFly: src/sys/dev/netif/et/if_etvar.h,v 1.4 2007/10/23 14:28:42 sephe Exp $
  * $FreeBSD$
  */
@@ -40,7 +40,7 @@
 
 /* DragonFly compatibility */
 #define EVL_ENCAPLEN		ETHER_VLAN_ENCAP_LEN
- 
+
 /*
  * Allocate the right type of mbuf for the desired total length.
  */