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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Mon, 27 Apr 2015 12:54:05 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org
Subject: svn commit: r282090 - stable/10/sys/kern
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Author: kib
Date: Mon Apr 27 12:54:04 2015
New Revision: 282090
URL: https://svnweb.freebsd.org/changeset/base/282090

Log:
  MFC r272290 (by mjg):
  Use bzero instead of explicitly zeroing stuff in do_execve.

Modified:
  stable/10/sys/kern/kern_exec.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/kern/kern_exec.c
==============================================================================
--- stable/10/sys/kern/kern_exec.c	Mon Apr 27 12:06:13 2015	(r282089)
+++ stable/10/sys/kern/kern_exec.c	Mon Apr 27 12:54:04 2015	(r282090)
@@ -382,29 +382,10 @@ do_execve(td, args, mac_p)
 	/*
 	 * Initialize part of the common data
 	 */
+	bzero(imgp, sizeof(*imgp));
 	imgp->proc = p;
-	imgp->execlabel = NULL;
 	imgp->attr = &attr;
-	imgp->entry_addr = 0;
-	imgp->reloc_base = 0;
-	imgp->vmspace_destroyed = 0;
-	imgp->interpreted = 0;
-	imgp->opened = 0;
-	imgp->interpreter_name = NULL;
-	imgp->auxargs = NULL;
-	imgp->vp = NULL;
-	imgp->object = NULL;
-	imgp->firstpage = NULL;
-	imgp->ps_strings = 0;
-	imgp->auxarg_size = 0;
 	imgp->args = args;
-	imgp->execpath = imgp->freepath = NULL;
-	imgp->execpathp = 0;
-	imgp->canary = 0;
-	imgp->canarylen = 0;
-	imgp->pagesizes = 0;
-	imgp->pagesizeslen = 0;
-	imgp->stack_prot = 0;
 
 #ifdef MAC
 	error = mac_execve_enter(imgp, mac_p);
@@ -412,8 +393,6 @@ do_execve(td, args, mac_p)
 		goto exec_fail;
 #endif
 
-	imgp->image_header = NULL;
-
 	/*
 	 * Translate the file name. namei() returns a vnode pointer
 	 *	in ni_vp amoung other things.