Index: if_spppsubr.c
===================================================================
RCS file: /cvs/src/sys/net/if_spppsubr.c,v
retrieving revision 1.160
diff -u -p -r1.160 if_spppsubr.c
--- if_spppsubr.c	20 Jan 2017 00:51:56 -0000	1.160
+++ if_spppsubr.c	21 Jan 2017 05:33:06 -0000
@@ -19,8 +19,8 @@
  *    this list of conditions and the following disclaimer in the documentation
  *    and/or other materials provided with the distribution.
  *
- * THIS SOFTWARE IS PROVIDED BY THE FREEBSD PROJECT ``AS IS'' AND ANY 
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * THIS SOFTWARE IS PROVIDED BY THE FREEBSD PROJECT ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
@@ -28,7 +28,7 @@
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE   
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * From: Version 2.6, Tue May 12 17:10:39 MSD 1998
@@ -400,7 +400,7 @@ static const struct cp *cps[IDX_COUNT] =
 };
 
 
-/*
+/*
  * Exported functions, comprising our interface to the lower layer.
  */
 
@@ -890,7 +890,7 @@ sppp_ioctl(struct ifnet *ifp, u_long cmd
 	return rv;
 }
 
-/*
+/*
  * PPP protocol implementation.
  */
 
@@ -1324,7 +1324,7 @@ sppp_cp_input(const struct cp *cp, struc
 		if (debug)
 			addlog(SPP_FMT "lcp got echo rep\n",
 			       SPP_ARGS(ifp));
-		    
+
 		nmagic = (u_long)p[0] << 24 |
 		    (u_long)p[1] << 16 | p[2] << 8 | p[3];
 
@@ -1590,7 +1590,7 @@ sppp_cp_change_state(const struct cp *cp
 		break;
 	}
 }
-/*
+/*
  *--------------------------------------------------------------------------*
  *                                                                          *
  *                         The LCP implementation.                          *
@@ -2251,7 +2251,7 @@ sppp_lcp_check_and_close(struct sppp *sp
 
 	lcp.Close(sp);
 }
-/*
+/*
  *--------------------------------------------------------------------------*
  *                                                                          *
  *                        The IPCP implementation.                          *
@@ -3657,7 +3657,7 @@ sppp_chap_scr(struct sppp *sp)
 		       sp->myauth.name,
 		       0);
 }
-/*
+/*
  *--------------------------------------------------------------------------*
  *                                                                          *
  *                        The PAP implementation.                           *
@@ -3962,7 +3962,7 @@ sppp_pap_scr(struct sppp *sp)
 		       (size_t)pwdlen, sp->myauth.secret,
 		       0);
 }
-/*
+/*
  * Random miscellaneous functions.
  */
 
@@ -4370,7 +4370,7 @@ sppp_update_ip6_addr(void *arg)
 		goto out;
 	}
 
-	/* 
+	/*
 	 * Changing the link-local address requires purging all
 	 * existing addresses and routes for the interface first.
 	 */
@@ -4384,7 +4384,7 @@ sppp_update_ip6_addr(void *arg)
 		goto out;
 	}
 
-	/* 
+	/*
 	 * Code below changes address parameters only, not the address itself.
 	 */
 
@@ -4429,7 +4429,7 @@ sppp_set_ip6_addr(struct sppp *sp, const
 	} else
 		ifra->ifra_dstaddr.sin6_family = AF_UNSPEC;
 
-	/* 
+	/*
 	 * Don't change the existing prefixlen.
 	 * It is common to use a /64 for IPv6 over point-to-point links
 	 * to allow e.g. neighbour discovery and autoconf to work.
@@ -4535,7 +4535,7 @@ sppp_set_params(struct sppp *sp, struct 
 		struct spppreq *spr;
 
 		spr = malloc(sizeof(*spr), M_DEVBUF, M_WAITOK);
-		
+
 		if (copyin((caddr_t)ifr->ifr_data, spr, sizeof(*spr)) != 0) {
 			free(spr, M_DEVBUF, 0);
 			return EFAULT;