diff --git a/sys/kern/vfs_default.c b/sys/kern/vfs_default.c
index cc5603eb06e..0c423d2d2d6 100644
--- a/sys/kern/vfs_default.c
+++ b/sys/kern/vfs_default.c
@@ -801,4 +801,14 @@ vfs_stdextattrctl(mp, cmd, filename_vp, attrnamespace, attrname, td)
 	return(EOPNOTSUPP);
 }
 
+int
+vfs_stdsysctl(mp, op, req)
+	struct mount *mp;
+	fsctlop_t op;
+	struct sysctl_req *req;
+{
+
+	return (EOPNOTSUPP);
+}
+
 /* end of vfs default ops */
diff --git a/sys/kern/vfs_init.c b/sys/kern/vfs_init.c
index b67ece7ffe1..871404c141f 100644
--- a/sys/kern/vfs_init.c
+++ b/sys/kern/vfs_init.c
@@ -458,6 +458,8 @@ vfs_register(struct vfsconf *vfc)
 	if (vfsops->vfs_extattrctl == NULL)
 		/* extended attribute control */
 		vfsops->vfs_extattrctl = vfs_stdextattrctl;
+	if (vfsops->vfs_sysctl == NULL)
+		vfsops->vfs_sysctl = vfs_stdsysctl;
 	
 	/*
 	 * Call init function for this VFS...
diff --git a/sys/sys/mount.h b/sys/sys/mount.h
index 3f8f098b204..fafdeac068d 100644
--- a/sys/sys/mount.h
+++ b/sys/sys/mount.h
@@ -526,8 +526,7 @@ struct vfsops {
 #define VFS_EXTATTRCTL(MP, C, FN, NS, N, P) \
 	(*(MP)->mnt_op->vfs_extattrctl)(MP, C, FN, NS, N, P)
 #define VFS_SYSCTL(MP, OP, REQ) \
-    	((MP) == NULL ? ENOTSUP : \
-	 (*(MP)->mnt_op->vfs_sysctl)(MP, OP, REQ))
+	(*(MP)->mnt_op->vfs_sysctl)(MP, OP, REQ)
 
 #include <sys/module.h>
 
@@ -605,6 +604,7 @@ vfs_vptofh_t		vfs_stdvptofh;
 vfs_init_t		vfs_stdinit;
 vfs_uninit_t		vfs_stduninit;
 vfs_extattrctl_t	vfs_stdextattrctl;
+vfs_sysctl_t		vfs_stdsysctl;
 
 /* XXX - these should be indirect functions!!! */
 int	softdep_fsync(struct vnode *);