From 96747dc0154eaee558a330165b9f43365d4b0dd7 Mon Sep 17 00:00:00 2001
From: Warner Losh <imp@FreeBSD.org>
Date: Fri, 2 Jan 2009 08:21:21 +0000
Subject: [PATCH] Add fd = -1 after close when we detect the format so that
 subsequent open_dev will reopen the device.

---
 usr.sbin/fwcontrol/fwcontrol.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/usr.sbin/fwcontrol/fwcontrol.c b/usr.sbin/fwcontrol/fwcontrol.c
index b55cf2ac9469..eabbc23b45c9 100644
--- a/usr.sbin/fwcontrol/fwcontrol.c
+++ b/usr.sbin/fwcontrol/fwcontrol.c
@@ -1065,6 +1065,7 @@ main(int argc, char **argv)
 		if (recvfn == NULL) { /* guess... */
 			recvfn = detect_recv_fn(fd, TAG | CHANNEL);
 			close(fd);
+			fd = -1;
 		}
 		snprintf(devbase, sizeof(devbase), "%s%d.0", device_string, current_board);
 		if (open_dev(&fd, devbase) < 0)