diff -r 1d4c667fae7d -r 379bb2693dce sys/nfsclient/bootp_subr.c
--- a/sys/nfsclient/bootp_subr.c	Thu Mar 11 22:12:09 2010 -0500
+++ b/sys/nfsclient/bootp_subr.c	Thu Mar 11 23:25:20 2010 -0500
@@ -570,6 +570,7 @@
 bootpc_call(struct bootpc_globalcontext *gctx, struct thread *td)
 {
 	struct socket *so;
+	struct sockaddr *fromsa;
 	struct sockaddr_in *sin, dst;
 	struct uio auio;
 	struct sockopt sopt;
@@ -586,6 +587,8 @@
 
 	CURVNET_SET(TD_TO_VNET(td));
 
+	fromsa = NULL;
+
 	/*
 	 * Create socket and set its recieve timeout.
 	 */
@@ -801,8 +804,17 @@
 			auio.uio_resid = sizeof(gctx->reply);
 			auio.uio_td = td;
 
+			/*
+			 * Free fromsa possibly left behind by the
+			 * previous iteration.
+			 */
+			if (fromsa != NULL)
+			{
+				free(fromsa, M_SONAME);
+				fromsa = NULL;
+			}
 			rcvflg = 0;
-			error = soreceive(so, NULL, &auio,
+			error = soreceive(so, &fromsa, &auio,
 					  NULL, NULL, &rcvflg);
 			gctx->secs = time_second - gctx->starttime;
 			for (ifctx = gctx->interfaces;
@@ -873,7 +885,7 @@
 				       " on %s from ",
 				       s,
 				       ifctx->ireq.ifr_name);
-				print_in_addr(gctx->reply.siaddr);
+				print_sin_addr((struct sockaddr_in *)fromsa);
 				if (gctx->reply.giaddr.s_addr !=
 				    htonl(INADDR_ANY)) {
 					printf(" via ");
@@ -960,6 +972,8 @@
 
 gotreply:
 out:
+	if (fromsa != NULL)
+		free(fromsa, M_SONAME);
 	soclose(so);
 out0:
 	CURVNET_RESTORE();