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Don't set errno ESRCH for empty result of KINFO_PROC[2]

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Restore the previous behavior as it's prefered.

This new behavior was introduced in 1.210.

Code should check for length of the result.

Requested by <mlelstv>
This commit is contained in:
kamil 2018-04-14 14:26:20 +00:00
parent 0b372a9fee
commit 5468455fe7
1 changed files with 2 additions and 6 deletions
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8
sys/kern/kern_proc.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_proc.c,v 1.211 2018/03/13 02:24:26 kamil Exp $ */
/* $NetBSD: kern_proc.c,v 1.212 2018/04/14 14:26:20 kamil Exp $ */
/*-
* Copyright (c) 1999, 2006, 2007, 2008 The NetBSD Foundation, Inc.
@ -62,7 +62,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_proc.c,v 1.211 2018/03/13 02:24:26 kamil Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_proc.c,v 1.212 2018/04/14 14:26:20 kamil Exp $");
#ifdef _KERNEL_OPT
#include "opt_kstack.h"
@ -1834,10 +1834,6 @@ sysctl_doeproc(SYSCTLFN_ARGS)
mutex_exit(proc_lock);
if (where != NULL) {
if (needed == 0) {
error = ESRCH;
goto out;
}
*oldlenp = dp - where;
if (needed > *oldlenp) {
error = ENOMEM;