disallow read from the root directory

SCCS-vsn: sys/miscfs/kernfs/kernfs_vnops.c 8.6

diff --git a/usr/src/sys/miscfs/kernfs/kernfs_vnops.c b/usr/src/sys/miscfs/kernfs/kernfs_vnops.c
index 5c7ba73..e141be5 100644 (file)
--- a/usr/src/sys/miscfs/kernfs/kernfs_vnops.c
+++ b/usr/src/sys/miscfs/kernfs/kernfs_vnops.c
@@ -7,7 +7,7 @@
  *
  * %sccs.include.redist.c%
  *
  *
  * %sccs.include.redist.c%
  *

- *     @(#)kernfs_vnops.c      8.5 (Berkeley) %G%
+ *     @(#)kernfs_vnops.c      8.6 (Berkeley) %G%

  */
 
 /*
  */
 
 /*


@@ -421,7 +421,7 @@ kernfs_read(ap)
        char *cp;
 
        if (vp->v_flag & VROOT)
        char *cp;
 
        if (vp->v_flag & VROOT)

-               return (0);
+               return (EOPNOTSUPP);

 
        kt = VTOKERN(vp)->kf_kt;
 
 
        kt = VTOKERN(vp)->kf_kt;