Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

exec_add, exec_remove: allow zero entries in case a module provides nothing.

This commit is contained in:
ad 2008-11-28 10:55:10 +00:00
parent f7287b16da
commit 1a8ada2ed9
1 changed files with 8 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
sys/kern/kern_exec.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: kern_exec.c,v 1.282 2008/11/19 18:36:06 ad Exp $ */
/* $NetBSD: kern_exec.c,v 1.283 2008/11/28 10:55:10 ad Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
@ -59,7 +59,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_exec.c,v 1.282 2008/11/19 18:36:06 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_exec.c,v 1.283 2008/11/28 10:55:10 ad Exp $");
#include "opt_ktrace.h"
#include "opt_syscall_debug.h"
@ -1270,7 +1270,9 @@ exec_add(struct execsw *esp, int count)
struct exec_entry *it;
int i;
KASSERT(count > 0);
if (count == 0) {
return 0;
}
/* Check for duplicates. */
rw_enter(&exec_lock, RW_WRITER);
@ -1311,7 +1313,9 @@ exec_remove(struct execsw *esp, int count)
const struct proclist_desc *pd;
proc_t *p;
KASSERT(count > 0);
if (count == 0) {
return 0;
}
/* Abort if any are busy. */
rw_enter(&exec_lock, RW_WRITER);