From bf90d007d3af93366323adc0763bcfe476e3bbfd Mon Sep 17 00:00:00 2001
From: Pawel Jakub Dawidek <pjd@FreeBSD.org>
Date: Sun, 9 Feb 2014 21:42:01 +0000
Subject: [PATCH] If the main casperd process exits, zygote process should exit
 as well instead of spinning.

Reported by:	Mikhail <mp@lenta.ru>
---
 sbin/casperd/zygote.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/sbin/casperd/zygote.c b/sbin/casperd/zygote.c
index 9591a90a713f..8ca131ad8833 100644
--- a/sbin/casperd/zygote.c
+++ b/sbin/casperd/zygote.c
@@ -132,8 +132,13 @@ zygote_main(int sock)
 
 	for (;;) {
 		nvlin = nvlist_recv(sock);
-		if (nvlin == NULL)
+		if (nvlin == NULL) {
+			if (errno == ENOTCONN) {
+				/* Casperd exited. */
+				exit(0);
+			}
 			continue;
+		}
 		func = (zygote_func_t *)(uintptr_t)nvlist_get_number(nvlin,
 		    "func");
 		flags = (int)nvlist_get_number(nvlin, "flags");