[src/trunk]: src/sys/kern revert; but still fix the comment

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/1bfbd388afe8
branches:  trunk
changeset: 339743:1bfbd388afe8
user:      maxv <maxv%NetBSD.org@localhost>
date:      Sat Aug 08 06:24:40 2015 +0000

description:
revert; but still fix the comment

diffstat:

 sys/kern/exec_elf.c |  12 +++---------
 1 files changed, 3 insertions(+), 9 deletions(-)

diffs (40 lines):

diff -r 749bb42c6fd7 -r 1bfbd388afe8 sys/kern/exec_elf.c
--- a/sys/kern/exec_elf.c       Fri Aug 07 17:41:43 2015 +0000
+++ b/sys/kern/exec_elf.c       Sat Aug 08 06:24:40 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: exec_elf.c,v 1.75 2015/08/05 15:58:01 maxv Exp $       */
+/*     $NetBSD: exec_elf.c,v 1.76 2015/08/08 06:24:40 maxv Exp $       */
 
 /*-
  * Copyright (c) 1994, 2000, 2005 The NetBSD Foundation, Inc.
@@ -57,7 +57,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: exec_elf.c,v 1.75 2015/08/05 15:58:01 maxv Exp $");
+__KERNEL_RCSID(1, "$NetBSD: exec_elf.c,v 1.76 2015/08/08 06:24:40 maxv Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_pax.h"
@@ -646,7 +646,7 @@
                return error;
 
        if (eh->e_type == ET_DYN)
-               /* PIE */
+               /* PIE, and some libs have an entry point */
                is_dyn = true;
        else if (eh->e_type != ET_EXEC)
                return ENOEXEC;
@@ -692,12 +692,6 @@
                }
        }
 
-       if (is_dyn && (interp == NULL)) {
-               /* PIEs must have an interpreter */
-               error = ENOEXEC;
-               goto bad;
-       }
-
        /*
         * On the same architecture, we may be emulating different systems.
         * See which one will accept this executable.