Index: head/lib/libstand/tftp.c
===================================================================
--- head/lib/libstand/tftp.c
+++ head/lib/libstand/tftp.c
@@ -200,7 +200,7 @@
 	case DATA: {
 		int got;
 
-		if (htons(t->th_block) != d->xid) {
+		if (htons(t->th_block) != (u_short) d->xid) {
 			/*
 			 * Expected block?
 			 */
@@ -560,7 +560,7 @@
 	sb->st_nlink = 1;
 	sb->st_uid = 0;
 	sb->st_gid = 0;
-	sb->st_size = -1;
+	sb->st_size = (off_t) tftpfile->tftp_tsize;
 	return (0);
 }
 
@@ -731,6 +731,8 @@
 	    } else if (strcasecmp(tftp_options[i], "tsize") == 0) {
 		if (i + 1 < option_idx)
 			tsize = strtol(tftp_options[i + 1], (char **)NULL, 10);
+		if (tsize != 0)
+			h->tftp_tsize = tsize;
 	    } else {
 		/* Do not allow any options we did not expect to be ACKed. */
 		printf("unexpected tftp option '%s'\n", tftp_options[i]);