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From: Brooks Davis <brooks@FreeBSD.org>
Date: Fri, 8 Jan 2010 21:58:12 +0000 (UTC)
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Subject: svn commit: r201835 - stable/8/sys/kern
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Author: brooks
Date: Fri Jan  8 21:58:12 2010
New Revision: 201835
URL: http://svn.freebsd.org/changeset/base/201835

Log:
  MFC r201352
  
    If a filter has already been added, actually return EEXIST when trying
    at add it again.

Modified:
  stable/8/sys/kern/kern_event.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)
  stable/8/sys/dev/xen/xenpci/   (props changed)

Modified: stable/8/sys/kern/kern_event.c
==============================================================================
--- stable/8/sys/kern/kern_event.c	Fri Jan  8 21:55:44 2010	(r201834)
+++ stable/8/sys/kern/kern_event.c	Fri Jan  8 21:58:12 2010	(r201835)
@@ -852,6 +852,7 @@ kqueue_add_filteropts(int filt, struct f
 {
 	int error;
 
+	error = 0;
 	if (filt > 0 || filt + EVFILT_SYSCOUNT < 0) {
 		printf(
 "trying to add a filterop that is out of range: %d is beyond %d\n",
@@ -868,7 +869,7 @@ kqueue_add_filteropts(int filt, struct f
 	}
 	mtx_unlock(&filterops_lock);
 
-	return (0);
+	return (error);
 }
 
 int