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check that we have valid event strings on attach too, so that the error 

is obvious instead of catching it when vmstat -e runs!
This commit is contained in:
christos 2011-09-16 01:03:02 +00:00
parent 4e15406e15
commit 98f06b6095
1 changed files with 4 additions and 4 deletions
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8
sys/kern/subr_evcnt.c
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@ -1,4 +1,4 @@
/* $NetBSD: subr_evcnt.c,v 1.9 2011/01/29 17:35:24 matt Exp $ */
/* $NetBSD: subr_evcnt.c,v 1.10 2011/09/16 01:03:02 christos Exp $ */
/*
* Copyright (c) 1996, 2000 Christopher G. Demetriou
@ -77,7 +77,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: subr_evcnt.c,v 1.9 2011/01/29 17:35:24 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: subr_evcnt.c,v 1.10 2011/09/16 01:03:02 christos Exp $");
#include <sys/param.h>
#include <sys/evcnt.h>
@ -137,14 +137,14 @@ evcnt_attach_static(struct evcnt *ev)
len = strlen(ev->ev_group);
#ifdef DIAGNOSTIC
if (len >= EVCNT_STRING_MAX) /* ..._MAX includes NUL */
if (len == 0 || len >= EVCNT_STRING_MAX) /* ..._MAX includes NUL */
panic("evcnt_attach_static: group length (%s)", ev->ev_group);
#endif
ev->ev_grouplen = len;
len = strlen(ev->ev_name);
#ifdef DIAGNOSTIC
if (len >= EVCNT_STRING_MAX) /* ..._MAX includes NUL */
if (len == 0 || len >= EVCNT_STRING_MAX) /* ..._MAX includes NUL */
panic("evcnt_attach_static: name length (%s)", ev->ev_name);
#endif
ev->ev_namelen = len;