Index: ping.c
===================================================================
RCS file: /cvs/src/sbin/ping/ping.c,v
retrieving revision 1.232
diff -u -p -r1.232 ping.c
--- ping.c	10 Nov 2018 23:44:53 -0000	1.232
+++ ping.c	10 Nov 2018 23:47:05 -0000
@@ -678,23 +678,23 @@ main(int argc, char *argv[])
 			optval = tos;
 			if (setsockopt(s, IPPROTO_IPV6, IPV6_TCLASS, &optval,
 			    (socklen_t)sizeof(optval)) < 0)
-				warn("setsockopt(IPV6_TVAL)"); /* XXX err? */
+				err(1, "setsockopt(IPV6_TCLASS)");
 		}
 
 		if (df) {
 			optval = 1;
 			if (setsockopt(s, IPPROTO_IPV6, IPV6_DONTFRAG,
 			    &optval, (socklen_t)sizeof(optval)) < 0)
-				warn("setsockopt(IPV6_DONTFRAG"); /* err? */
+				err(1, "setsockopt(IPV6_DONTFRAG)");
 		}
 
 		optval = 1;
 		if (setsockopt(s, IPPROTO_IPV6, IPV6_RECVPKTINFO, &optval,
 		    (socklen_t)sizeof(optval)) < 0)
-			warn("setsockopt(IPV6_RECVPKTINFO)"); /* XXX err? */
+			err(1, "setsockopt(IPV6_RECVPKTINFO)");
 		if (setsockopt(s, IPPROTO_IPV6, IPV6_RECVHOPLIMIT, &optval,
 		    (socklen_t)sizeof(optval)) < 0)
-			warn("setsockopt(IPV6_RECVHOPLIMIT)"); /* XXX err? */
+			err(1, "setsockopt(IPV6_RECVHOPLIMIT)");
 	} else {
 		u_char loop = 0;