Index: vfs_mount.c
===================================================================
RCS file: /space2/ncvs/src/sys/kern/vfs_mount.c,v
retrieving revision 1.115
diff -u -p -r1.115 vfs_mount.c
--- vfs_mount.c	14 Nov 2003 05:27:41 -0000	1.115
+++ vfs_mount.c	23 Nov 2003 12:35:29 -0000
@@ -841,7 +841,8 @@ update:
 	 * Check if the fs implements the type VFS_[N]MOUNT()
 	 * function we are looking for.
 	 */
-	if ((compat == 0) == (mp->mnt_op->vfs_mount != NULL)) {
+	if ((compat && mp->mnt_op->vfs_mount == NULL) ||
+	    (!compat && mp->mnt_op->vfs_nmount == NULL)) {
 		printf("%s doesn't support the %s mount syscall\n",
 		    mp->mnt_vfc->vfc_name, compat? "old" : "new");
 		VI_LOCK(vp);