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Fix kern/46911: note that we rekeyed the cprng so we don't keep doing so.

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This commit is contained in:
tls 2012-09-07 02:42:13 +00:00
parent 974581be66
commit 68ad6e1d4b
1 changed files with 3 additions and 2 deletions
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5
sys/kern/subr_cprng.c
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@ -1,4 +1,4 @@
/* $NetBSD: subr_cprng.c,v 1.10 2012/09/05 18:57:34 tls Exp $ */
/* $NetBSD: subr_cprng.c,v 1.11 2012/09/07 02:42:13 tls Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
@ -46,7 +46,7 @@
#include <sys/cprng.h>
__KERNEL_RCSID(0, "$NetBSD: subr_cprng.c,v 1.10 2012/09/05 18:57:34 tls Exp $");
__KERNEL_RCSID(0, "$NetBSD: subr_cprng.c,v 1.11 2012/09/07 02:42:13 tls Exp $");
void
cprng_init(void)
@ -230,6 +230,7 @@ cprng_strong(cprng_strong_t *const c, void *const p, size_t len, int flags)
/* If we were initialized with the pool empty, rekey ASAP */
if (__predict_false(c->entropy_serial == -1) && rnd_initial_entropy) {
c->entropy_serial = 0;
goto rekeyany; /* We have _some_ entropy, use it. */
}